Marge drove 220 miles at an average speed of 55 miles per hour. How many hours did it take her to drive that far? Oh

Answers

Answer 1

Answer:

4 hours

Step-by-step explanation:

220/ 55 = 4


Related Questions

Which graph is the graph of y-2=4(x+5)

Answers

Answer:

The answer is C

Answer:

A

Step-by-step explanation:

y=4(x+5)+2

y=4x+20+2

y=4x+22

The Y-intercept is going to be 22, so we can already eliminate D and C. and so the difference between A and B is that B is a negative line and A is not. And since the slope is not negative in the equation, B cannot be the answer, so A is the answer.

2). Parents and doctors wish to compare a child's he
children's heights of the same age. The height is the variable. Yes or NO

Answers

Answer:

Yes

Step-by-step explanation:

Yes it is the variable

Which linear function represents the line given by the point-slope equation y + 7 = -2/3 (x+6)?
O f(x) = -x-11
O fx) = x-1
O f(x) = 2x+3
O fx) = 2x + 13

Answers

Answer:

A- f(x) -x-11

Step-by-step explanation:

The top equation y+7= -2/3(x+6) has a

Y-intercept of (0,-11)

Slope=-2/3

Answer A has the the same

y-intercept (0,-11)

Slope of -1

Answer is the only one with the same y-intercept.

I will mark brainliest please help ​

Answers

3.75 quarts=15 cups

Simplify
6(-5n + 7 thank you

Answers

Answer:

-30n + 42

Step-by-step explanation:

6( -5n + 7)

-30n + 42

Hope this helps!

does anyone understand this i never get it

Answers

Answer: 18

Step-by-step explanation:

6 ÷ 2 = 3

162 ÷ 54 = 3

The constant ratio is 3

6 × 3 = 18

Hope I helped!

9. What is the best model for the data?
Answer choices:
Linear
Exponential
Quadratic

Answers

Answer:

Exponential

Step-by-step explanation:

I think this is the answer but not correct me if I'm wrong

Question
If f(x) = x^2 + 7x and g(x) = 3x - 1, what is f(g(x))?
O 9x2 + x + 1
9x2 + 15x - 6
9x2 + 21x-6
9x2 - 27x
Help please

Answers

Answer:

9x^2 + 15x -6

Step-by-step explanation:

Your problem → If f(x) = x^2 + 7x and g(x) = 3x - 1, find f(g(x))?

f(x)=x2+7x,g(x)=3x-1,fog(x)=?

g(x)=3x-1,f(x)=x2+7x

fog(x)=f(g(x))

=f(3x-1)

 =(3x-1)2+7⋅(3x-1)

=(3x-1)2+21x-7

=(9x2-6x+1)+21x-7

=9x2+15x-6

fog(x)=9x2+15x-6

If Log 20 = 1.301 what is the value of Logsub100 20?

I need the step by steps! I can’t find anything videos online to teach this to me

Answers

Answer:

[tex]log_{100}20 = 0.6505[/tex]

Step-by-step explanation:

log20 = 1.301 (when you see only "log" with no base, it is taken as a base 10)

This basically means:

[tex]10^{1.301} = 20[/tex]  (This is the log in exponential form)

Since we don't know what  [tex]log_{100}20[/tex]  is equal to, we will say  [tex]log_{100}20[/tex] = x

So to solve for [tex]log_{100}20[/tex] = x, you do the same thing. (convert to exponential form)

[tex]100^{x} =20[/tex]

Now you will notice that both of these equations are equal to 20.

Since 20 = 20,

we can say [tex]100^{x}[/tex] = [tex]10^{1.301}[/tex]

Another way of saying 100, is [tex]10^{2}[/tex] (make the bases the same)

Now we get [tex]10^{2x} = 10^{1.301}[/tex]      

(we get 2x because an exponent to the power of an exponent ([tex]2^{x}[/tex]) is the same as 2 * x)

Because you have the same base, you can just ignore the 10s and focus on the exponents. So you get:

2x = 1.301

x = 0.6505

What is the distance between the points (-9,5) and (8,5)

Answers

Answer:

17 units

Step-by-step explanation:

Use distance formula, [tex] d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} [/tex], to find the distance between (-9, 5) and (8, 5):

Let,

[tex] (x_1, y_1) = (-9, 5) [/tex]

[tex] (x_2, y_2) = (8, 5) [/tex]

Plug in the values into the distance formula:

[tex] d = \sqrt{(8 - (-9))^2 + (5 - 5)^2} [/tex]

[tex] d = \sqrt{(17)^2 + (0)^2} [/tex]

[tex] d = \sqrt{(289 + 0)} [/tex]

[tex] d = \sqrt{289} [/tex]

[tex] d = 17 [/tex]

What the slope of this please help :)

Answers

Answer:

-0.1

Step-by-step explanation:

Answer:

The answer to the question provided is:

[tex] - \frac{1}{10} [/tex]

5 + r = 7
what does r =

Answers

Answer:

2

Step-by-step explanation:

5+2=7

Anita made these two statements.
The number 2 is its own opposite.
The opposite of the opposite of 1.5 is 1.5

Fill in the blanks to explain whether theses statements are true or false.

The opposite of 2 is

Answers

Step-by-step explanation:

umm its false cause one thing isn't correct here.

like if we're asked to find the opposite of -5 itll be +5

and in Anita's case, she should have said, that the like for 2 the opposite will be -2 like just change the integers.

like for -, change it to positive and for +, change it to negative

have a great day :)

pls help, i need this in 5 mins!

Answers

Answer:

85

Step-by-step explanation:

If you determined that the "k" value of your newly purchased tires is 1.0471264 and your odometer indicates that you have traveled 20,000 miles and you have not recalibrated your cars axle system, how far have you really driven?
A) 19,100 miles
B) 20, 942 miles
C) 209,420 miles
D) 2094.2 miles

Answers

Answer:

b

Step-by-step explanation:

B) 20,942

A baseball pitcher won 60% of his games. How many did he win if he pitched 35 games?

Answers

Answer:

21 games

Step-by-step explanation:

Multiply the number of games by the percentage.

35 · 0.60 = 21

SUP= 125 UPE=110 SRE=85 find SUR

Answers

Answer:

m∠SUR = 15°

Step-by-step explanation:

m∠UPE = 110°

m∠UPR = m∠EPR [Given]

m∠UPR = [tex]\frac{1}{2}(m\angle UPE)[/tex]

             = [tex]\frac{1}{2}(110)[/tex]

             = 55°

Since, m∠SRU = m∠UPR [Given in the picture]

m∠SRU = 55°

m∠SRE = m∠SRU + m∠URP + m∠PRE

85° = 55° + m∠URP + m∠PRE

m∠URP + m∠PRE = 30°

Since, m∠URP = m∠PRE

m∠URP + m∠URP = 30°

m∠URP = 15°

Since, m∠URP = m∠SUR [Given in he picture]

m∠SUR = 15°

Write the following equation in slope-intercept form: y-3=2x. *

Answers

Answer:

y = 2x + 3

Step-by-step explanation:

Slope- intercept form: y = mx + b

y - 3 = 2x

     y = 2x + 3

what is 14/25 as a decimal and as a percent?

Answers

Answer: 0.56 as a decimal 56% as a percentage

Step-by-step explanation:

14/25 = (14×4)/(25×4) = 56/100 = 0.56
0.56 = 56%

If 2^3x-1 = 32 then x = (image included)
a. 5
b. -2
c. 2
d. 4/3
e. -4

Answers

Answer:

x is equal to two.

Step-by-step explanation:

We know that 32 is a power of 2.  It is in fact two to the power of five.  So we can re-express that as:

[tex]2^{3x - 1} = 2^5[/tex]

Because they have the same constant as a base, we can toss the base altogether, and equate the exponents:

[tex]3x - 1 = 5\\3x = 6\\x = 2[/tex]

The Equation of line K is y=8/7x+3 perpendicular to line k is line L which passes through (-8,3) what is the slope of the equation of line l

Answers

Answer:

mathm waaayys can help you

Step-by-step explanation:

What is the length of segment DB?

Answers

i believe it’s 82

8x=3x+8+4x+10
x=18

4•18+10=72+10=82

need help asap please

Answers

Answer:

[tex]\displaystyle yes[/tex]

Step-by-step explanation:

If the angle of elevation is congruent in both triangles, then both smaller legs are congruent.

I am joyous to assist you at any time.

Please help me ASAP, Im so stuck.

Answers

Answer:

b

Step-by-step explanation:

Supposedly it may be complementary for c and n.

Jason keeps track of the money he earns and spends in the table below. A positive number
means money earned. A negative number means money spent. Which list shows the
amounts in dollars ordered from least to greatest?

Answers

Need more info to solve this

When the balloon touched the wall, it stayed there. What is the best explanation for the balloon staying on the wall? ​

Answers

Answer:

When the negatively charged balloon approaches a wall, the negative charges in the wall are repelled (or pushed away)

Step-by-step explanation:

As the two come in contact, the balloon will stick because of the rule that opposites attract (positive to negative)

Find the missing side or angle.
Round to the nearest tenth.
B=18°
C=152°
b=4
c=[ ? ]

Answers

Answer:

c = 6.1

Step-by-step explanation:

Given that: B = 18° , C = 152°,  and b = 4.

The missing side, c, can be determined by applying the sine rule which states that:

[tex]\frac{b}{Sin B}[/tex] = [tex]\frac{c}{Sin C}[/tex]

[tex]\frac{4}{Sin 18^{o} }[/tex] = [tex]\frac{c}{Sin 152^{o} }[/tex]

c = [tex]\frac{4* Sin 152^{o} }{Sin 18^{o} }[/tex]

 = [tex]\frac{1.8779}{0.3090}[/tex]

 = 6.0773

c = 6.1

Therefore,  the value of the missing side, c, is 6.1

Mylo started making this graph to relate the number of hours he works with the amount of money he is paid. A point representing which information could be added to the graph to show a proportional relationship? A. $16 for working 2 hours B. $36 for working 4 hours C. $40 for working 5 hours D. $58 for working 6 hours\

Answers

Answer:

I can confirm that  the awnser is B

Step-by-step explanation:

I got a 100%

Answer:

B

Step-by-step explanation:

the other person said it was B

15-a=20 what value would make this true

Answers

Answer:

a = -5

Step-by-step explanation:

15 - a = 20

Move the constant of 15 to the other side by subtracting it.

-a = 5

Divide by -1 to make a positive.

a = -5

Check.

15 - (-5) = 20

15 + 5 = 20

20 = 20

Answer:

-5

Step-by-step explanation:

15-(-5)=20

5 turns into a positive

15+5=20

simplify the expression (-6i)(-6i)​

Answers

Answer:

36i^2 i think that's right

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