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2 years ago

Someone help pls I’ll mark brainliest if u give a small explanation! :)

Mathematics

2 answers:

forsale [732]2 years ago

6 0

The answer is 108 your welcome

marishachu [46]2 years ago

4 0

Answer:

108 inches^2

Step-by-step explanation:

Multiple each side by 1.5

8x1.5=12

6x1.5=9

then to find the area, multiply the sides together.

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1. Bob’s age is twice that of his sister. When you add Bob's age to his sister's age, you get 24. How old is Bob and his sister?

zmey [24]

Answer:

8 and 16

Step-by-step explanation:

16 + 8 = 24

7 0

3 years ago

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PLEASE ANSWER REALLY FAST I WILL MARK BRAINLIEST IF ANSWERED IN 2 MINUTES What is 15 x minus 3 y = 0 written in slope-intercept

Klio2033 [76]

Answer:

15x + 3y = 10.

Step-by-step explanation:

you have to solve for y.

isolate the variable.

15x + 3y = 10

start by subtracting 15x on both sides.

3y = -15x +10

then divide both sides by 3

y = -15/3x + 10/3

simplify.

y = -5x + 10/3

10/3 can be written as 3.33

or 3 and 1/3

4 0

3 years ago

Read 2 more answers

hey! please help with this!!! Write all the 12 answer of measurements. If you can’t do it and you think it’s a lot you don’t hav

jarptica [38.1K]

Answer:

1) 1 and 4

2) 1 and 2

3) 1 and 5

4) 2 and 3

5) 130

6) 90

7) 25

8) 115

9) 70

10) 115

11) 40

12) 105

Step-by-step explanation:

Hope this isn't spam! Lol

4 0

3 years ago

What is the domain of the function in the graph?

Tpy6a [65]

The answer is A.
D= 6<=x<=11

8 0

3 years ago

. If α and β are the roots of

Lostsunrise [7]

Answer:

$18x^2+85x+18 = 0$

Step-by-step explanation:

Given Equation is

=> $2x^2+7x-9=0$

Comparing it with $ax^2+bx+c = 0$ , we get

=> a = 2, b = 7 and c = -9

So,

Sum of roots = α+β = $-\frac{b}{a}$

α+β = -7/2

Product of roots = αβ = c/a

αβ = -9/2

Now, Finding the equation whose roots are:

α/β ,β/α

Sum of Roots = $\frac{\alpha }{\beta } + \frac{\beta }{\alpha }$

Sum of Roots = $\frac{\alpha^2+\beta^2 }{\alpha \beta }$

Sum of Roots = $\frac{(\alpha+\beta )^2-2\alpha\beta }{\alpha\beta }$

Sum of roots = $(\frac{-7}{2} )^2-2(\frac{-9}{2} ) / \frac{-9}{2}$

Sum of roots = $\frac{49}{4} + 9 /\frac{-9}{2}$

Sum of Roots = $\frac{49+36}{4} / \frac{-9}{2}$

Sum of roots = $\frac{85}{4} * \frac{2}{-9}$

Sum of roots = S = $-\frac{85}{18}$

Product of Roots = $\frac{\alpha }{\beta } \frac{\beta }{\alpha }$

Product of Roots = P = 1

The Quadratic Equation is:

=> $x^2-Sx+P = 0$

=> $x^2 - (-\frac{85}{18} )x+1 = 0$

=> $x^2 + \frac{85}{18}x + 1 = 0$

=> $18x^2+85x+18 = 0$

This is the required quadratic equation.

5 0

3 years ago

Read 2 more answers