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3 years ago

How to solve for a, b,

Mathematics

1 answer:

professor190 [17]3 years ago

3 0

It looks like the length of a and b should be the same. You can use the Pythagorean theorem (only works with right triangles):

a² + b² = c² (c is the hypotenuse or the longest side of the triangle, a and b are the other side lengths of the triangle)

a² + (4)² = (5)²

a² + 16 = 25

a² = 9

a = 3

a and b have a length of 3

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What does mean meadian mode and range mean

vredina [299]

Answer:

mean is the average

median is the middle number

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Step-by-step explanation:

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3 years ago

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Four weeks into her attempt at saving money, she has saved $160. Has Suzanne been saving enough money

WITCHER [35]

Answer:

if Suzanne goal was to collect 600+ dollars in 16 weeks than she did achieve it

Step-by-step explanation:

I am not sure what the goal of this mathematical problem is but if you need a specific number of money to be collected multiply the by the number of weeks.

4 weeks ( 4*7)=28

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5.71428571429-(money per week saved by Suzanne)

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2 years ago

Which of the following is a reasonable estimated answer to the following problem? 989,867 ÷ 999

kolezko [41]

991 if you round it off.

990.8
Above 5 so go up one

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3 years ago

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Translate the statement into an equation or inequality. The sum of 5 and a number is less than the product of the number and 7 m

RideAnS [48]

Answer:

2x-4=10

2x=14

x=7

2. 3x+3=2x-1

3x-2x=-1-3

x=-4

3. 7x+x=24

8x=24

x=3(

4. 5+x=-18

x=-18-5

x=-23

5. -14=10-6x

6x=10+14

6x=24

x=4

6. 2x-2=x+12

2x-x=12+2

x=14

7. 3x-31=2

3x=2+31

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x=11

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4 0

3 years ago

Over the last 3 evenings, Keisha received a total of 81 phone calls at the call center. The first evening, she received 6 few

tensa zangetsu [6.8K]

Answer:

First: 15

Second: 21

Third: 45

Step-by-step explanation:

In order to create the equation we need to represent the evenings with an alebraic term, in thsi case we are going to represent the second evening with an X

Second evening:x

The first night she got 6 fewer calls than the second: Second-6=x-6

The third night she received 3 times the first: 3(first night)=3(x-6)

The equation is First Night plus second night plus third night equals 81.

$First+second+third=81\\x+(x-7)+3(x-6)=81\\x+x-7+3x-18=81\\5x=81+21+6\\5x=105\\x=\frac{105}{5} \\x=21$

So the first evening he received 15 calls, the second he received 21 and the third one he received 45.

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3 years ago