MATHEMATICS HIGH SCHOOL

Solve the equation. 3/2 + b = 7/4 (stylised in fractions)

b= ?

Answers

Answer 1
Answer:

3/2 + b = 7/4

First rewrite 3/2 to have the same denominator as 7/4:

3/2 x 2 = 6/4

Now you have 6/4 + b = 7/4

To find b subtract 6/4 from 7/4:

b = 7/4 - 6/4

b = 1/4

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Kali spent half of her weekly allowance on clothes. To earn more money her parents let her clean the gutters for $9. What is her weekly allowance if she ended with $13?

Answers

Kali weekly allowance if she ended with $13 would be $8.

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

we have been given the information as;

Kali spent half of her weekly allowance on clothes.

After Kali spent half of her allowance and earned $9, she is left with $13.

This means the remaining of her weekly allowance is $9.

This can be derived by subtracting $9.

$13 - $9 = $4

This means that it is $4 that remains after spending half of her weekly allowance.

Therefore, her weekly allowance = $4 x 2 = $8

Hence, Kali weekly allowance if she ended with $13 would be $8.

Learn more about the unitary method;

brainly.com/question/23423168

#SPJ2
So to find the answer to this, you have to consider that (1)/(2) x + 9 = 13 - half because half the pocket money (x) was spend on clothes, then plus 9 because that's how much extra she gained and 13 because that was the result of all the changes.

To solve this, first subtract 9 from both side, which leaves you with (1)/(2) x = 4 and (1)/(2) x is the same as (1x)/(2), so to solve this, multiply both sides of the equation by two, resulting in x = 8. SO from this we can conclude that the weekly allowance is $8

How do I factor 2y^2 - y - 10

Answers

2y^2 - y - 10=2y^2+4y-5y-10=2y(y+2)-5(y+2)=\n\n=(y+2)(2y-5)

20pts What is the distance between (7, 3, 4) and (5, 2, 9)?


Really need help!!!

Answers

To find the distance between two 3d points, square the difference of the x, y, and z points. Then, sum them and take the square root.
Distance=√(x2−x1)^2+(y2−y1)^2+(z2−z1)^2

Replace x^1,x^2,y^1,y^2,z^1, and z^2 with the corresponding values.
Distance=√((5)−(7))^2+((2)−(2))^2+((9)−(4))^2

Simplify √((5)−(7))^2+((2)−(2))^2+((9)−(4))^2
calculator....

Distance= √29


The distance between (7,2,4) and (5,2,9) is √29.

√29≈5.38516481

What is the solution of this system of linear equations?A. (1, 0)
B. (0,0)
C. (0, 1)
D. X=0
Graph is attached , help quick please

Answers

Answer:

The answer is C.

Step-by-step explanation:

Inordertofindthesolutionofthelinearequation,youhavetofindthecoordinateswheretheyintersect.

So according to the graph, both lines intersect at the coordinates of ( 0 , 1 ).

(Correct me if I amwrong)

Factoring the difference of two squares x^2-1

Answers

difference of 2 perfect squres
if yo have
a^2-b^2 that equals (a-b)(a+b)

x^2-1^2=(x-1)(x+1)
tada
(X^2-1^2) (x-1)(x+1) I hope that is good!

A window shaped like a parallelogram has an area of 18 squareReet. The height of the window is 3 feet. How long is the base of
the window?

Answers

Answer:

Step-by-step explanation:

area of parallelogram = b times h

18/3 = 6 feet
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