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tresset_1 [31]
3 years ago
12

What is sarah is twice as old as her youngest brother. if the difference between their ages is 15 years. how old is her youngest

brother?
Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
5 0
Her youngest brother is 15 years old.
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What is the distance between the points?! round to the nearest tenth i need to show work
Maru [420]

Answer:

c=\sqrt{52}

Step-by-step explanation:

a=height=6

b=length=4

using pythagorean theorem

a^2+b^2=c^2

36+16=c^2

c=\sqrt{36+16}

c=\sqrt{52}

6 0
3 years ago
What is the ratio for the volumes of two similar cylinders, given that the ratio of their heights and radii is 2:3?
ankoles [38]

Answer:

C IS YOUR ANSER.

Step-by-step explanation:

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3 years ago
Heyo! I need some help, please. What is the x coordinate if (x, 17) is on a line that passes through the points (1, 2) and (-1,
expeople1 [14]

Answer:

  • x = 4

Step-by-step explanation:

<u>The line with points (1,2) and (-1,-8). Work out its equation.</u>

  • y = mx + b

<u>The slope is:</u>

  • m = (-8 - 2)/(-1 - 1) = -10/-2 = 5

<u>To find the y intercept, substitute x and y-xoordinates of point (1,2):</u>

  • 2 = 5(1) + b
  • b = 2 - 5
  • b = -3

<u>The line is:</u>

  • y = 5x - 3

<u>Point (x, 17), substitute y-coordinate and solve for x</u>

  • 17 = 5x - 3
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5 0
3 years ago
Read 2 more answers
Need urgent help in mathematics!! Will mark brainliest!!!!
Nataly [62]

₇P₅ is a permutation. you can find this setting in the statistics menu of your scientific calculator (i think).

If you don't have a scientific calculator, you can use the following formula:

nPr = \frac{n!}{(n - r)!}

₇P₅  = \frac{7!}{(7 - 5)!}

     = \frac{7}{2!}

     = \frac{7 * 6 * 5 * 4 * 3 * 2!}{2!}

     = 7 * 6 * 5 * 4 * 3

    = 2520

Answer: C

3 0
3 years ago
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To evaluate customer satisfaction, a grocery store gives double coupons to anyone who completes a survey as they enter the store
Genrish500 [490]

Answer:

what is the question then

Step-by-step explanation:

8 0
3 years ago
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