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3 years ago

Which expression is equivalent to –5(x + 10)? F. 5x + 50 G. −5x + 10 H. −5x − 50 I. 5x − 50

Mathematics

1 answer:

Sveta_85 [38]3 years ago

6 0

Answer:

H) -5x - 50

Step-by-step explanation:

(-5 · x) + (-5 · 10) = -5x - 50

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What is the value of x in the equation 9/10 (x + 2/3)=4 1/2

garri49 [273]

Get the x variable on one side and the numbers another side.

9/10(x + 2/3) = 4 1/2

Distribute the 9/10 across the x and 2/3.

(9/10)x + 18/30 = 4 1/2

Simplify 18/30 to make our life easier.

(9/10)x + 3/5 = 4 1/2

Subtract 3/5 from each side of the equation.

(9/10)x = 3 9/10

Divide both sides by 9/10.

x = 4 1/3

4 0

3 years ago

Read 2 more answers

Factor *<br> (x^2/9)- 64

Hoochie [10]

Step-by-step explanation:

We use

$a ^{2} - \times ^{2} = (a - \times )(a + \times )$

Now we have

$\frac{ { \times }^{2} }{9} - 64 = ( \frac{ \times }{3} ) ^{2} - {8}^{2} \\ = ( \frac{ \times }{3} - 8)( \frac{ \times }{3} + 8)$

Hope that useful for you

5 0

3 years ago

The ratio of the measures of the angles in a triangle is 5 to 2 to 3 what's the measure of one angle

aleksandr82 [10.1K]

5x + 2x + 3x = 180
10x = 180
x = 18

Angles are 36, 54, 90

4 0

3 years ago

324 ft

kotegsom [21]

The distance between the flagpole and the building is the number of feet between them

The building is 162 feet from the flagpole

<h3>How to determine the distance</h3>

The given parameters are:

Flagpole = 40 feet
Building Shadow = 324 feet

The flagpole's shadow is 50% longer than the flagpole.

So, the length (l) of the flagpole's shadow is:

$l = 40 * (1 + 50\%)$

$l = 60$

The length of the building's shadow (d) is then calculated as:

$60 : 40 =d : 324$

Express as fraction

$\frac{60}{40}= \frac{d}{324}$

$1.50 = \frac{d}{324}$

Solve for d

$d = 1.50 * 324$

$d = 486$

The distance (x) of the building from the flagpole is then calculated as:

$x = 486 - 324$

$x = 162$

Hence, the building is 162 feet from the flagpole

Read more about distance and bearing at:

brainly.com/question/11744248

7 0

2 years ago

You drive 70 miles per hour but then slow your speed by 15 miles per hour. You then return to your speed of 70 miles per hour. W

denis23 [38]

Driving 70 miles per hour.
Slow your speed means decrease in speed=
70+(-15)=70-15=55 miles/ hr
And then return to speed of 70 miles/hr means
add 15 miles to the speed.
We get
70+(-15)+15 =70 miles / hr

4 0

2 years ago