3 years ago

What is the slope of a line that passes through (2, 77) and (98, 5)

Mathematics

1 answer:

blagie [28]3 years ago

4 0

Answer:

Step-by-step explanation:

slope = (5-77)/(98-2) = -72/96 = -¾

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"The product of a number and 7" :

alex41 [277]

Answer: 7n

Step-by-step explanation

a product is the multiplication answer. so a number- n- multiplied by 7 is 7n.

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3 years ago

The square root of 61 is in between 2 integers what are they

swat32

One way is to estimate
1^2=1
2^2=4
3^2=9
4^2=16
5^2=25
6^2=36
7^2=49
8^2=64
the number 61 is between 49 and 64 therefor the square root of 61is between the intigers 7 and 8 or -7 and -8

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3 years ago

Insurance company executives surveyed 200 young adults about their first motor vehicle. The results are shown in the two-way tab

Lostsunrise [7]

Answer:

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Step-by-step explanation:

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3 years ago

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In this diagram, EA−→−⊥ ED−→− and EB−→− bisects ∠AEC . Given that m∠AEB = 4x + 1 and m∠CED = 3x, determine the missing measures.

alexdok [17]

Answer:

Step-by-step explanation:

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3 years ago

Find the value of a and of b for which<br>(a) the solution of x2 + ax < b is<br>-2<x < 4

KengaRu [80]

Answer: $a = -2$

$b = 8$

Step-by-step explanation:

Given :

$x^{2} +ax$

re - writing the equation , we have

$x^{2} +ax-b$

we need to find the value of a and b for which -2<x < 4 , this means that the roots of the quadratic equation are -2<x < 4.

The formula for finding the quadratic equation when the roots are known is :

$x^{2}$ - sum of roots(x) + product of root = 0

sum of roots = -2 + 4 = 2

product of roots = -2 x 4 = -8

substituting into the formula , we have:

$x^{2} -2x-8=0$ , which could be written in inequality form as

$x^{2} -2x-8$

comparing with $x^{2} +ax-b$ , it means that :

$a = -2$

$b = 8$

3 0

3 years ago