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2 years ago

In a class of 60 students 8 will be left handed. If a class includes 20 lefties, estimate how many students are in the class.

Mathematics

1 answer:

svlad2 [7]2 years ago

8 0

Answer:

150

Step-by-step explanation:

60/8=x/20. Solve for x. So cross multiply 20•60=1200 divided by 8=150

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Which comparison is incorrect?<br> -3> -7<br> -9> 4<br> -4>-6<br> 7>5

ddd [48]

Answer:

-9> 4

Step-by-step explanation:

-9> 4

Positive numbers are greater than negative numbers and knowing that makes this comparison incorrect.

Hope this helps :)

5 0

2 years ago

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Need helpp Hurry to get brainliest!!

lubasha [3.4K]

Answer:

x =30

Step-by-step explanation:

4x + 40 = 6x-20 (set them equals)

40= 6x- 20-4x

40+20=2x

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divide by 2

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2 years ago

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25 Points! Please answer asap! Carly stated “All pairs of rectangles are dilations”. Which pair of rectangles would prove that C

elena55 [62]

Answer:

Step-by-step explanation:

A. First two rectangles are dilations because

$\dfrac{2}{4}=\dfrac{4}{8}=0.5$

B. Second two rectangles are dilations because

$\dfrac{2}{4}=\dfrac{3}{6}=0.5$

C. Third two rectangles are not dilations because

$\dfrac{3}{4}\neq \dfrac{2}{3}$

D. Fourth two rectangles are dilations because

$\dfrac{3}{4}=\dfrac{1.5}{2}=0.75$

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3 years ago

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How do you Solve this equation -4x +2 _>26

Doss [256]

$\sf Hello!$

$\sf Solve\: the\: Inequality\: for\: x$ :-

$\sf -4x + 2 ≥ 26$

⇒ $\sf -4x + 2 - 2 ≥ 26 - 2$

⇒ $\sf -4x ≥ 24$

⇒ $\sf x ≥ \sf -6$

~ $\sf iCarl$

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2 years ago

A self-serve car wash charges $5.04 to use its facilities, plus an additional $0.83 for each minute the customer is at the self-

SOVA2 [1]

Answer:

$10.02

Step-by-step explanation:

So your first step would be to multiply $0.83 by 6 to get

$4.98

Then you would just add $5.04 to $4.98 to get

$10.02

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2 years ago