Mathematics High School

can somebody please help me​

Can Somebody Please Help Me

Answers

Answer 1
-5 = n + 14
So, n = -19

Related Questions

Kevin brought 15 chicken wings for 31.50 how much would it cost for 7 wings.

Answers

Answer:

$14.70

Step-by-step explanation:

31.50/15=2.10

2.10*7=14.70

Which evidence from the text best supports the idea that women astronauts are not unusual anymore?

Question 2 options:

Anne McClain has wanted to be an astronaut since she was 3 or 4 years old.


Women comprised half the staff of the 2013 class of astronauts.


The lead spacewalk flight controller on Earth is female.


The all-female spacewalk was not planned.

if you answer right ill keep doing some for 100 points

Answers

Answer:

sally ride I guess

Step-by-step explanation:

Answer:

Women comprised half the staff of the 2013 class of astronauts.

Step-by-step explanation:

Help me find BE please.

Answers

Answer:

BE = 6

Step-by-step explanation:

Fact regarding the centroids of a triangle.

On each median the distance from the vertex to the centroid is twice the distance from the centroid to the midpoint, thus

BD = 2DE, that is

4 = 2DE ( divide both sides by 2 )

DE = 2

Thus

BE = BD + DE = 4 + 2 = 6

Is 4/0 an undefined slope or 0

Answers

Answer:

it is a slope of zero

Step-by-step explanation:

PLEASE HELP, MARKING BRAINLIEST!!!!

If 30/t = 18/r, then t/r =

Answers

Answer:

30/t = 18/r

30 = 18t/r

30r = 18t

18t = 30r

18t/18 = 30r/18

t = 5/3r

--------------------

30/t = 18/r

30r = 18t/r

30r = 18t

30r/30 = 18t/30

r = 3/5 t

---------------------

r = 3/5t, t = 5/3r

A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using the equation, find out the time at which the rocket will reach its max, to the nearest 100th of a second y=-16x^2+235x+133

Answers

Answer:

Step-by-step explanation:

Given tq equation of the height reached by the rocket as y=-16x^2+235x+133

The velocity of the object at its maximum height is zero

v = dy/dx = 0(at max height)

v =-32x +235

0 =-32x+235

x = 235/32

x = 7.34

Hence the rocket will reach its maximum height after 7.34seconds

easy points plz solve quick

Answers

Answer:

Step-by-step explanation:

23 and 50

Answer:

23 and 50

Step-by-step explanation:

23 and 50

What’s the slope, if point 1 is (1,1) and point 2 is (-1, -4)

Answers

My work to your question

Whats the reciprocal of 9/2 and 4/7​

Answers

Answer:

2/9 and 7/4

Step-by-step explanation:

just flip it

The answers are:

2/9 and 7/2

Step-by-step explanation:

The reciprocal of a number is a special number such that, when multiplied by the original number, gives us 1.

And we know that in fractions, to get from a/b to 1, we should multiply a/b times b/a.

So this leads to the conclusion that the reciprocal of 9/2 is 2/9 and the reciprocal of 4/7 is 7/2.

The value 5 is an upper bound for the zeros of the function shown below.
f(x)= x4 + x3 – 11.x2 – 9x + 18
A. True

B. False

Answers

Answer:

The given statement that value 5 is an upper bound for the zeros of the function f(x) = x⁴ + x³ - 11x² - 9x + 18  will be true.

Step-by-step explanation:

Given

[tex]f\left(x\right)\:=\:x^2\:+\:x^3\:-\:11x^2\:-\:9x\:+\:18[/tex]

We know the rational zeros theorem such as:

if [tex]x=c[/tex] is a zero of the function [tex]f(x)[/tex],

then [tex]f(c) = 0[/tex].

As the [tex]f\left(x\right)\:=\:x^2\:+\:x^3\:-\:11x^2\:-\:9x\:+\:18[/tex] is a polynomial of degree [tex]4[/tex], hence it can not have more than [tex]4[/tex] real zeros.

Let us put certain values in the function,

[tex]f(5) = 448[/tex], [tex]f(4) = 126[/tex], [tex]f(3) = 0[/tex], [tex]f(2) = -20[/tex],

[tex]f(1) = 0[/tex], [tex]f(0) = 18[/tex], [tex]f(-1) = 16[/tex], [tex]f(-2) = 0[/tex], [tex]f(-3) = 0[/tex]

From the above calculation results, we determined that [tex]4[/tex] zeros as

[tex]x = -3, -2, 1,[/tex] and [tex]3[/tex].

Hence, we can check that

[tex]f(x) = (x+3)(x+2)(x-1)(x-3)[/tex]

Observe that,

[tex]for x > 3[/tex], [tex]f(x)[/tex] increases rapidly, so there will be no zeros for [tex]x>3[/tex].

Therefore, the given statement that value 5 is an upper bound for the zeros of the function f(x) = x⁴ + x³ - 11x² - 9x + 18  will be true.

Answer:

Step-by-step explanation:

A

Brenton is a phone sales specialist who makes $33,000 per year plus an $8 fee for each sale he makes. If Brenton makes 15 sales per week, what are his annual earnings?

Answers

Answer:

Brenton's annual earnings are $39,240.

In Triangle JKL, <J is congruent to <L

What is the measure of <L​

Answers

Answer:

∠L = 33.9°

Step-by-step explanation:

∠K = 180 - 67.8

    = 112.2°

∠J = ∠L = 180 - 112.2

                      2

∠J = ∠L = 33.9°

Proving the Sum of the Interior Angle Measures of a Triangle Is 180°

I already solved the problem on my own so here is the answer, and a free 20 points.

Answers

Answer:

thanks

Step-by-step explanation:

Answer:

180

Step-by-step explanation:


Find the mean for Nate's test scores:
90, 84, 54, 78, 84

Answers

Answer:

78

Step-by-step explanation:

Add up all the numbers then divide by how many there are so, 90+84+54+78+84=390divided by 5= 78

Lorenzo ate 3.5 slices of an extra large pizza and consumed a total of 1008 calories. What is the constant of proportionality that relates the number of slices, x, to the number of calories, y?

Answers

A3.5x+1008y

Step-by-step explanation:

Write a simplified expression for the area and perimeter of the figure.
a) The simplified expression for the perimeter is _____ units.
b) The simplified expression for the area is ______square units.

Answers

Answer: 4x

Step-by-step explanation:

Answer:

4x

Step-by-step explanation:

Couldn't show it all but I need help​

Answers

B. Hope this helps and you have a good day.

Can someone tell me where to put the two points.

Answers

(0,7) , (7,8)

Y-intercept is at (0,7) and the slope is 1/7 so from the y intercept, go up 1 and over 7.

what is an equation of the line that passes through the poins (-6,2) and (-4,-1)
​

Answers

Use the equation to find the slope; m=y2-y1/x2-x1 and plug in each of the y coordinates in the numerators and the x coordinates in the denominator

m=-1-2/-4-(-6)
m=-3/2

Plug in the slope and one of the ordered pairs into y=mx+b. I’ll use (-6,2)

2=-3/2(-6)+b
2=9+b
-7=b

Equation: y=-3/2x-7

Mrs. Quinto is comparing the Calories in different types of bread. Wheat bread has 150 Calories for every 2 slices. The Calories in two other types of bread are shown in the table and graph.



White Bread
Slices Calories
2 160
4 320
6 480

Answers

Answer:

none

Step-by-step explanation:

160 - 2 = not

320 - 4 = not

480 - 6 = not

Question 2 (2 points)
Is the following relation a function? (2 points)
ху
1-1-2
2 3
3 11
16-2
O a
Yes
b
No

Answers

Answer:

Yes

Step-by-step explanation:

Since there is one value of y for every value of x in (−1,−2),(2,3),(3,1), (6,−2)

, this relation is a function.

Which value of y
y
makes the equation 3(y−6)=42
3
(
y
−
6
)
=
42
true?

Answers

Answer:

20

Step-by-step explanation:

[tex]3(y - 6) = 42 \\ \\ y - 6 = \frac{42}{3} \\ \\ y - 6 = 14 \\ \\ y = 14 + 6 \\ \\ y = 20[/tex]

Find the measure of angle that is circled.
Can someone help? Test tomorrow, I need to learn to figure this out so I can do the rest.

Answers

Answer:

Step-by-step explanation:

You would do 360-(17x+5)= which would get you that angle of the rest of that. Then u would do take that answer and minus it from 360 which would get your answer

Answer:

90°

17x+5 and 18x are corresponding angles and because we have parallel lines these two angles are congruent.

Step-by-step explanation:

17x+5=18x

5=18x-17x

5=x

17x+5=17*5+5=85+5=90°

1. X2+7X-8


I need help ASAP right answers only

Answers

Answer:

What r u asking to find. Show the directions

Step-by-step explanation:

Answer:

(x-1)  (x+8)

Step-by-step explanation:

Use the sum-product pattern:

x^2+7x-8

x^2+8x-x-8

Common factor from the two pairs:

x^2+8x-x-8

x(x+8)-1(x+8)

Rewrite in factored form:

x(x+8)-1(x+8)

Solution:

(x-1) (x+8)

Gym membership costs $20 to join and then $15 per month. Find the slope and y-intercept for the data.
slope:
y-intercept:

Answers

Answer:

slope: 15

y-intercept: 20

y=15x+20

Step-by-step explanation:

You have 20 coins. There are all either a quarter or a dime. The value of the coins is $3.65.

You have ____ quarter and ____ dimes

Answers

Answer:

11 quarters and 9 dimes

Step-by-step explanation:

because 11 quarters = $2.75

and 9 dimes = $0.90

 

      $2.75

+     $0.90

____________=  $3.65 with only 20 coins :)

An ordered pair is
a) the output (y) value of the relation
b) the input (x) value of the relation
с) a set of points that pair input values with output values
d) x and y values written in the form (x, y)

plzz help​

Answers

Answer:

B

Step-by-step explanation:

The m to the y can’t equal to m so it’s b

The average distance between the Earth and the Moon is 384 400 km.
Express it in standard form.

Answers

Answer:

[tex]3.84\times10^8\ m[/tex]

Step-by-step explanation:

It is given that,

The average distance between the Earth and the Moon is 384 400 km.

We need to express in in standard form.

1 km = 1000 m

It means,

384400 km = 384400000 km

or

= [tex]3.84\times10^8\ m[/tex]

Hence, the average distance between the Earth and the Moon is [tex]3.84\times10^8\ m[/tex].

Zach lives in Salina, Kansas. Gina lives 45 miles east in Junction City, Kansas. Gina and Zach both leave their houses at the same time, heading east on I-70. Zach drives 65 miles per hour and Gina drives 55 miles per hour. Zach wants to determine how long it will take before he catches up with Gina.

Answers

Answer:

4.5 hours

Step-by-step explanation:

Given that Gian lives 45 miles east of Salina where Zach lives.

At the same time, both start driving in the same direction towards the east, Zach drives 65 miles per hour and Gina drives 55 miles per hour.

Let A and B are the initial locations of Zach and Gina respectively, after t hours they meet at point C which x miles east of point B as shown in the figure.

Distance traveled by Gina = BC= x miles

As distance = speed x time, so

[tex]x= 55 \times t \cdots(i)[/tex]

Similarly, distance traveled by Gina = AC= (45+x) miles

As distance = speed x time, so

[tex]45+x= 65 \times t \\\\[/tex]

[tex]\Rightarrow 45+55t= 65 \times t[/tex] [ using equation (i)]

[tex]\Rightarrow 10t= 45 \\\\[/tex]

[tex]\Rightarrow t = 45/10 = 4.5[/tex] hour

Hence, the required time is 4.5 hours.

What is the angle of depression from the start of a 6-foot high access ramp that ends at a point 40 feet away along the ground? Nearest tenth of a degree.

Answers

Answer:

8.5 degrees

Step-by-step explanation:

The set up will give a right angles triangle;

Given

The height of the ramp (opposite) = 6 foot

distance away along the ground = 40 feet (adjacent)

Required

Angle of depression theta

Using the TOA identity;

tan theta = opposite/adjacent

tan theta = 6/40

tan theta = 0.15

theta = tan^-1{0.15}

theta =8.53 degrees

hence the angle of depression to nearest tenth of a degree is 89.5 degrees

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