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3 years ago

Help with this asap!

Mathematics

1 answer:

zmey [24]3 years ago

5 0

Answer:

26?

Step-by-step explanation

because they are vertical? (i think the word) they are equal so set them equal to each other then solve for x

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while jeff was replacing the obstruction of light on a cell tower, he accidentally dropped his cell phone. If he was 150 ft up a

dexar [7]

Answer:

3.19 seconds

Step-by-step explanation:

Given:

Phone gets dropped from a Height = 150 ft

To find:

Time taken for the phone to reach the ground = ?

Solution:

First of all, let us learn about the formula of distance in terms of Initial speed u; Time t and Acceleration a:

$s=ut+\dfrac{1}{2}at^2$

Here the phone is dropped from a height so a = g m/ $s^2$ i.e. acceleration due to gravity.

g = 9.8 m/ $s^2$

s = 150 ft

Initial velocity, u = 0

Putting all the values in the formula:

$150=0 t+\dfrac{1}{2}gt^2\\\Rightarrow 50=\dfrac{1}{2}\times 9.8 \times t^2\\\Rightarrow t^2=\dfrac{50}{4.9 }\\\Rightarrow t^2=10.20\\\Rightarrow t = 3.19\ sec$

So, the time taken is 3.19 seconds.

7 0

3 years ago

Evaluate the expression. 42+5⋅32−42÷23 CLEAR CHECK 12.625 222 45 59

lidiya [134]

Answer:

$\frac{4604}{23}$ or 200.173913

Step-by-step explanation:

$42+(5)(32)-\frac{42}{23} \\\\=42+160-\\\frac{42}{23}\\\=202-\frac{42}{23} =\frac{4604}{23}$

5 0

4 years ago

Kara is making clothes for Pinkie Pie. Each outfit she makes requires 1/2 yard of fabric. How much fabric will she need for 5 ou

Travka [436]

Answer:

2 1/2 yard

Step-by-step explanation:

if each outfit requires 1/2 just multiply it by 5

8 0

3 years ago

Read 2 more answers

A 5-foot piece of ribbon costs $11.40. What is the price per inch?

Degger [83]

Answer:

The price per inch is $0.18 or 18 cents.

Step-by-step explanation:

Convert 5 feet to 60 inches and divide $11.40 by 60 and you will get your answer.

8 0

4 years ago

Read 2 more answers

If bcd~gef find value of x

ddd [48]

Answer:

$x = 13$

Step-by-step explanation:

Given

See attachment

Required

Find x

From the attachment, we have:

$BC = x + 4$

$BD = 2x - 7$

$GE = 51$

$GF = 57$

Because both triangles are similar, we use the following equivalent ratios:

$BC : BD = GE : GF$

Substitute values for each parameter

$x + 4 : 2x- 7 = 51 : 57$

Convert to fractions

$\frac{x + 4}{2x- 7} = \frac{51 }{ 57}$

Simplify the right-hand side

$\frac{x + 4}{2x- 7} = \frac{17}{19}$

Cross Multiply

$19(x + 4) = 17(2x - 7)$

$19x + 76 = 34x - 119$

Collect Like Terms

$19x - 34x = -76 - 119$

$-15x = -195$

Solve for x

$x = \frac{-195}{-15}$

$x = 13$

3 0

3 years ago

Help with this asap!​

Help with this asap!