3 years ago

How do you simplify this?

Mathematics

1 answer:

bezimeni [28]3 years ago

5 0

I can't show you the square root but this is the answer simplified. 4 square roots of 6

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Lisa purchased a hat for $10, a purse for $20, and a book for $23. The sales tax rate was 7.2 percent. What was the total amount

Mamont248 [21]

$56.82 is the correct amount

7 0

3 years ago

J(x) = 2x²+8x-5 What is this in vertex form

pav-90 [236]

Answer:

The vertex form parabola y = 2( x+4)² -37

Step-by-step explanation:

Step(i):-

Given parabola equation j(x) = 2x² + 8x -5

Let y = 2x² + 8x -5

⇒ y = 2(x² + 2(4x)+(4)²-(4)²) -5

By using (a + b)² = a² +2ab +b²

y = 2(x+4)²- 32 -5

y = 2 ( x-(-4))² -37

Step(ii):-

The vertex form parabola y = a( x-h)² +k

The vertex form parabola y = 2(x+4)² -37

5 0

3 years ago

The formula for a trapezoid relates the area A, the two bases, a and b, and the height, h. Solve for a

den301095 [7]

Answer:

$a=\frac{2A}{h}-b$

Step-by-step explanation:

we know that

The formula to calculate the area for a trapezoid is equal to

$A=\frac{1}{2}(a+b)h$

where

a and b are the parallel bases

h is the height of trapezoid

A is the area

Solve for a

That means ----> isolate the variable a

Multiply by 2 both sides to remove the fraction in the right side

$2A=(a+b)h$

Divide by h both sides

$\frac{2A}{h}=a+b$

Subtract b both sides

$\frac{2A}{h}-b=a$

Rewrite

$a=\frac{2A}{h}-b$

8 0

2 years ago

Pick 1 pls... im not trynna be mean but pls dont put an answer up here if u dont know

Aneli [31]

Answer:

Cilia

Step-by-step explanation:

5 0

3 years ago

Someone help me please 30 points and a brainliest !!

svet-max [94.6K]

Step-by-step explanation:

7X + 34 + 9X +46 = 144

16 X =64

X= 4

so, m < ADC =82

5 0

2 years ago