Answer:
74
Step-by-step explanation:
Using linear equations, we are given two equations from the questions:
4x +7y=30 from day one and 3x +5y=22 from day two
Multiply the first equation by 3 and second by 4 giving us
12x +21y=90 and 12x +20y=88. Minus both equations.
12x - 12x +21y - 20y= 90 - 88, Gives you y=2,
You can now use the value of y to find x.
4x + 7y = 30
4x + 7(2)= 30
4x + 14= 30. Minus 14 on both sides giving you
4x=16. Divide both sides by 4.
x=4
Now use both values to find how much money is needed on the third day.
10x + 17y
=10(4) + 17(2)
=40 +34
=74
Two girls, Sienna and Lexi, are walking laps on a path that goes around the pond at a local park. They start at the same place on the path, and at the same time. They plan to
continue to walk laps until they are both at the starting point at the same time. Sienna can complete a lap around the pond every 4 minutes. Lexi can complete a lap every 6
minutes.
If both Sienna and Lexi keep walking at these rates, they will first be at the starting point at the same time after
minutes.
When they meet at the starting point, Sienna will have completed
B laps around the pond, and Lexi will have completed
laps.
Answer:
Sienna will have done 6 laps while Lexi would have done 6
Step-by-step explanation:
7)Find the missing side. Round to the nearest tenth.
).
6
х
18°
A) 1.5
C) 1.9
Choice A
B) 1.0
D) 19.4
Choice B
Choice C
Choice D
Which equation best represents the constant rate of change shown in the pattern between the
figure number, f, and the number of squares, s?
Answer:
. s = 3f the answer is G
Slope Intercept, please help
Answer:
sorry i really dont know the answer
Step-by-step explanation:
maybe try using a math app
(please help asap, thank you!)
When one side of the Earth is at high tide, then the opposite side of the Earth is also at high tide?
True or False?
Step-by-step explanation:
When one side of the Earth is at high tide, then the opposite side of the Earth is also at high tide?
(True)
Alright I need another one before I fail again please I have 3
Answer:
Answer:
9.46 = y
Step-by-step explanation:
=================================================================
You have to use the cosine function equation.
cos(38) =
Multiply 12 on both sides.
12cos(38) = y
Solve.
9.46 = y
How to know which one to use:
Sin, Cos, Tan, Sec, Cosec, and Cot
Sin function is to do opposite number side length over the hypotenuse number side
Cos function is to do adjacent (side length that is next to angle) over the hypotenuse
Tan function is to do Opposite over Adjacent,
These are the inverse of each one
Sec is hypotenuse over opposite (inverse of Sin)
Cosec is hypotenuse over adjacent (Inverse of Cos)
Cot is Adjacent over Opposite (Inverse of Tan)
=================================================================
29°
2
115
What is the angle?
Answer:
Obtuse
Step-by-step explanation:
Half of the difference between -5 and three times a number is -13.
translate into an algebraic expression.
HELP ME PLEASE ASAP!!!
In this problem, y varies directly with x. Find the unknown value.
If y = 18 when x = -6, what is the value of y when x equals -5?
O15
O17
O19
ONone of the above
Step-by-step explanation:
019
Choose the linear equation written in slope intercept
form that matches each graph
Answer:B
Step-by-step explanation:the line touches the graph on the y axis at 3 so the y intercept has to be a positive 3. Then it goes up 1 over 3 each time. Meaning it’s Y=1/3X+3
2) Find the unknown sizes.
I have shoot it . so, hope this help u.
Answer:
hope this helps, happy learning!!!
Select the correct answer.
Mel created a scatter plot and drew a line of best fit, as shown
Answer:
C. y = 2/3x + 6
Step-by-step explanation:2/3 is the slope and 6 is the y intercept.
ididmidifkjfjkelajlwkgkl5lgltwemigkktimgkgtmr
Answer:
I aint never seen 2 pretty best friends ;)
Step-by-step explanation:
The drama club ordered shirts to raise money for a field trip. The club purchased the shirts at $5 each and wants to make an 80% profit, so each shirt will be sold for $5 + $0.8(5). Which of the following describes the price at which each shirt will be sold? A А. The price at which each shirt will be sold will bring a profit of 4 cents. B The price at which each shirt will be sold will bring a profit of 8 cents. С Each shirt will be sold for 1.8 times its purchase price. Each shirt will be sold for 0.8 times its purchase price.
Answer:
for my thinking i think the answer is b
1 There are 4 trucks for every 5 cars in a parking lot. How many trucks and
cars could be in the parking lot?
A 64 trucks and 80 cars
B
72 trucks and 73 cars
C.
84 trucks and 100 cars
D.
96 trucks and 110 cars
Answer:
A. 64 trucks and 80 cars
Step-by-step explanation:
The ratio is 4:5 or 4/5, which equals 0.8. Divide the number of trucks by the number of cars to see which other answer equals 0.8. The only one that does is A.
Calcula a través de sustitución, igualación, reducción y gráficas:
3x + 2y = 7 5x + 3y = 11
4x - 3y = -2 3x + y = 5
*Este problema se puede resolver de una sola forma o método (sustitución, igualación, reducción o en gráficas).
PROBLEMA:
En el cajero de un banco entrega a un cliente 40 monedas de 50 centavos y de un peso si lo que entrego importa $32 pesos, ¿cuántas monedas hay de cada denominación?
**SI NO TE SABES LA RESPUESTA POR FAVOR EVITAME EL QUE TE REPORTE Y NO RESPONDAS OTRRA COSA INADECUADA GRACIAS**
Answer:
2 different problems?
can some one please help me im confused on this im really stuck :(
The area of a circle, in terms of π, is 196π m2.
Find the value of the radius.
Step-by-step explanation:
if area of circle = pi times radius^2,
area of circle divided by pi = radius^2
so, square root (area of circle divided by 2) = radius.
so, 196pi = m2
approx 616
616=m2
sqrt 616 =m
approx value of radius is 25 or 24.8
pls mark this as brainliestttt
Can someone help me solve this triangle (geometry) question?
Answer:
I hope it will help you...
Martha’s video game rental plan costs $18 per month .which table shows the sum of the amounts that Martha will pay for her video game rental plan over the next 5 months
Answer: not exactly sure what you meant but I don’t see a table so I’m guessing you should go for 90
Step-by-step explanation:
CJ wrote several pairs of values that he thought were
equivalent. Which of his equations are correct? Pick all that
apply.
1.25 = 125%
0.03 = 30%
0.001 = 1%
60%
50%
22 23 를
66.6%
Guys I need help I’m gonna fail math
Answer:
125% correct
3/5 correct
2/3 correct
Step-by-step explanation:
Here, we want to pick the appropriate conversion from percentage to fraction:
To convert from percentage to fraction, we simply divide by 100
125% = 125/100 = 1.25 correct
30% = 30/100 = 0.3 not 0.03 wrong
1% = 1/100 = 0.01 not 0.001 wrong
60% = 60/100 = 3/5 correct
50% = 50/100 = 1/2 not 1/4 wrong
2/3 = 2/3 * 100 = 200/3 = 66.66667% correct
Answer:
B.C,D
Step-by-step explanation:
Which is an equation of the line with slope 1/2 that contains (–4, 7)?
Answer:
y=(-1/2)x-1
Step-by-step explanation:
hope it helps and plz give me Brainliest plz
Equation of line is y = 1/2x + 9 which passes through the point (-4, 7) and has slope 1/2.
What is Equation of line?The equation of line in point-slope form passing through the points
(x₁ , y₁) and (x₂, y₂) with slope m is defined as;
⇒ y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
We have to given that;
Point on the line = (-4, 7).
And, The slope of the line = 1/2
Since, The equation of line passes through the point (- 4, 7).
and, Slope of the line is,
⇒ m = 1/2
Hence, The equation of line is,
⇒ y - 7 = 1/2 (x - (-4))
⇒ y - 7 = 1/2 (x + 4)
⇒ y - 7 = 1/2x + 2
⇒ y = 1/2x + 2 + 7
⇒ y = 1/2x + 9
Learn more about the equation of line visit:
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During its grand Opening weekend, a restaurant gave every 8 customers a free appetizer, every twelfth customers a free becverage, and every fifteen customer a free fish of yogurt. which customer was the first to recive all three ítems?
Answer:
120th customer will be the first one get all the three items.
Step-by-step explanation:
Given that:
Every 8th customer gets a free appetizer.
Every 12th customer gets a free beverage.
Every 15th customer gets a free fish of yogurt.
To find:
The first customer to receive all the three items.
Solution:
Here, we need to find nothing but the Least Common Multiple of the given three numbers 8, 12 and 15 to find the first person who will get all three free items.
Let us use factors of each number:
[tex]8 = 2\times 2\times 2\\12 = 2\times 2\times 3\\15 = 3\times 5[/tex]
The LCM will be:
[tex]2\times 2\times 2 \times 3 \times 5 = \bold{120}[/tex]
Therefore, the answer is:
120th customer will be the first one get all the three items.
ASAP PLS HELP ILL GIVE BRAINLIEST
Answer:
y + 4x + 2
Step-by-step explanation:
Solve for x: 9(x + 4) = 1 + 2x *
Answer:
x = -5
Step-by-step explanation:
9(x+4)=1+2x
9x+36 = 1 + 2x
35 = -7x
Divide
-5 = x
x= -5
[tex] \: \: \: \: \: \: \: 9(x + 4) = 1 + 2x \\ \\ = > 9x + 36 = 1 + 2x \\ \\ = > 9x - 2x = 1 - 36 \\ \\ = > 7x = ( - 35) \\ \\ = > x = (- \frac{35}{7} ) \\ \\ = > x = \green{\boxed{ - 5}}[/tex]
What is the measure of angle y?
Answer:
y =50°
Step-by-step explanation:
40°+90°+y = 180° {the sum of angle of triangle is 180°}
or, 130°+ y = 180°
or, y = 180°-130°
or, y =50°
The value of the measure of an angle y in a triangle would be 50 degrees.
Used the concept of angle in a triangle that states,
The sum of all three interior angles in a triangle gives 180 degrees.
Given that,
A triangle is shown in the attached figure.
Here, the triangle shown in the image is a right-angle triangle.
Hence, a measure of an angle = 90 degree
And, the second measure of an angle = 40 degree
So, the sum of interior angles in a triangle gives 180 degrees.
Hence,
40° + 90° + y = 180°
Solve for y,
130° + y = 180°
y = 180° - 130°
Therefore, the value of y is,
y = 50 degree
To learn more about the triangle visit;
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Determine if the following function is even, odd, or neither.. . f(x) = –9x^4 + 5x + 3. Show step-by-step solution.
Answer:
96/45
Step-by-step explanation:
56
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Graph the line
y=-4x+2
‼️will make brainliest‼️
Answer:It would be -4 across and go two up
Step-by-step explanation:
Answer:
It would be -4 across and go two up
Step-by-step explanation:
if there are 90 calories in 3/4 of yogurt, how many calories are in 3 cups of yogurt?
Answer:
360
Step-by-step explanation:
3 divided by 3/4=3 times 4/3=4
4 times 90=360
0/1 Julio plans a diet to gain 0.2 kg a day. After 14 days he weighs 40 kg. The number days he diets and his weight are related. How much does Julio weigh the day he starts his diet?
Answer:he weighs 37.2
Step-by-step explanation: