3 years ago

Can anyone do this quickly since I’m being timed again

Mathematics

1 answer:

Jet001 [13]3 years ago

5 0

Answer:

x = 31

Step-by-step explanation:

2x + (3x + 25) = 180

5x + 25 = 180

5x = 155

x = 31

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At the market, 5 light bulbs cost $9.85. How much do 7 light bulbs cost?

ser-zykov [4K]

First, find what one lightbulb costs.

9.85 / 5 = 1.97

Then multiply the product by 7.

1.97 * 7 = 13.79

Seven light bulbs will cost $13.79

5 0

3 years ago

Find the measurement

xenn [34]

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$6z + 7 = 8z - 9$

$8z - 9 = 6z + 7$

Add sides 9

$8z - 9 + 9 = 6z + 7 + 9$

$8z = 6z + 16$

Subtract sides 6z

$- 6z + 8z = - 6z + 6z + 16$

$2z = 16$

Divide sides by 2

$\frac{2z}{2} = \frac{16}{2} \\$

$z = 8$

Thus ;

$NP = 8z - 9$

$NP = 8(8) - 9$

$NP = 64 - 9$

$NP = 64 - 4 - 5$

$NP = 60 - 5$

$NP = 55$

Done...

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6 0

3 years ago

the cheerleading squad made 4 5/8 gallon of lemonade to sell at the basketball game. they sold 2 7/8 gallons. how many gallons w

andrezito [222]

4 5/8 = 37/8
2 7/8= 23/8
37/8-23/8=14/8=1 6/8=1 3/4

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3 years ago

Date : n _<br>5+ [ 4 +(-7) -{ 6 ×(5+ 1x4)}]<br><br>

s2008m [1.1K]

Answer:

−28−6^2x4

Step-by-step explanation:

6 0

3 years ago

3.3.4 practice: modeling: factoring ax2+bx+c

deff fn [24]

I think it should be x(ax +b) + c. Not sure though.

3 0

3 years ago