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miss Akunina [59]
2 years ago
15

Tiyana is saving for a vacation. She wants to have at least $75 for each of the 12 days of her trip. If she saves $ 85 each mont

h for 10 months, will she save enough money?
Use mental math to find the total amount she will save. Then write a division equation to see if she will save enough.

Kevin says he can solve this problem a different way. He says that he can compare 85 x 10 and 75 x 12. Do you agree? Explain your thinking.
Mathematics
1 answer:
blsea [12.9K]2 years ago
7 0

Answer:

yes I agree with kevin's thinking because she needs 75 for each of the 12 days so its 12*75 and compare with how she earns 85 dollars each month for ten months which is 85 *10

Step-by-step explanation:

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You lean a 30 foot ladder against your house and it reaches exactly to the top. The ladder makes a 24 degree angle with the grou
Furkat [3]
Sin 24 = h/30 

<span>h = 30 sin 24 = 12.2 ft </span>
5 0
3 years ago
The diagram below shows the dimensions of a triangular park built in a new housing development. Two side lengths and one angle m
evablogger [386]
ANSWER

x = 50.5 \degree

EXPLANATION

We use the sine rule for solving triangles.

This is given by the formula,


\frac{ \sin(A) }{a}  =  \frac{ \sin(B) }{b}  = \frac{ \sin(C) }{c}


From the triangle,

\frac{ \sin(x) }{60}  =  \frac{ \sin(40) }{50}

We multiply both sides of the equation by 60 to get,

sin(x)  =  \frac{ 60\sin(40 \degree) }{50}


sin(x)  = 0.7713



We solve for x to obtain,

x = arcsin(0.7713)


x = 50.475

To the nearest tenth, we round to one decimal place to get,

x = 50.5 \degree

7 0
3 years ago
Please Help!!!!!! it's due this morning
zhuklara [117]

Answer:

Check the solution in both equations. The solution is ( − 1, 2). Solve the system by graphing: {− x + y = 12 x + y = 10 . Solve the system by graphing: {2x + y = 6 x + y = 1 . In all the systems of linear equations so far, the lines intersected and the solution was one point.

Hope it helps!!!

6 0
2 years ago
2. The actual tree on the left is 10 feet tall. The model tree on the right is 8 inches tall. What is the scale factor?
Lina20 [59]

Answer:

D. 1/15

Step-by-step explanation:

Actual tree = 10 ft = 12 × 10 = 120 in.

Model tree = 8 in.

Scale factor = model tree/actual tree

Scale factor = 8/120

Scale factor = 1/15

4 0
2 years ago
Simplify and she the steps how to solve this <br><br> (5t^2 + 4) - (6t^2 - 7t + 1)
torisob [31]

Answer:

<u>11t² + 7t + 3</u>

Step-by-step explanation:

⇒ (5t² + 4) - (6t² - 7t + 1)

⇒ 5t² + 4 - 6t² + 7t - 1

⇒ <u>11t² + 7t + 3</u>

4 0
2 years ago
Read 2 more answers
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