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3 years ago

All of the following solid figures except a _____ have two bases.

Mathematics

1 answer:

lina2011 [118]3 years ago

7 0

Answer:

All of the following solid figures except a square pyramid have two bases.

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Simplify 8 over negative 3 divided by negative 4 over 9 . (5 points) -8 -6 6 8

denpristay [2]

Answer:

Step-by-step explanation:

(8/3) / (-4/9)

when dividing fractions you use the acronym k.c.f (keep change flip)

keep the first fraction

change the operation (divide to multiply)

flip the other fraction

(8/-3) x (9/4)

after re-writing your expression, you want to solve

do this by multiplying both numerators by each other and same with the denominators

(-8x9) / (3x-4)

then you get a new fraction,

-72/-12

simplify,

-72/-12 = 6 (multiplying/dividing 2 negatives will always give you a positive)

3 0

3 years ago

If you earn $426 in gross income every week and get to keep $348 of it after tax withholding, how many allowances have you claim

bazaltina [42]

160 clamied because I subrachte it

5 0

4 years ago

Solve the following quadratic by completing the square. y = x2 - 6x +2

Nana76 [90]

Answer: $3 \pm \sqrt{7}$

Step-by-step explanation:

$1) \text{ } x^{2}-6x+2=0\\\\2) \text{ } x^{2}-6x=-2\\\\3) \text{ } x^{2}-6x+\left(\frac{-6}{2} \right)^{2}=-2+\left(\frac{-6}{2} \right)^{2}=7\\\\4) \text{ } (x-3)^{2}=7\\\\5) \text{ } x-3 =\pm \sqrt{7} \longrightarrow \boxed{3 \pm \sqrt{7}}$

4 0

2 years ago

Find the x value of x. If necessary round to the nearest tenth. A=49sq.in.

Sophie [7]

Answer:

Step-by-step explanation:

Alright, lets get started.

Area is given as 49 square inches.

The formula for area A =

base is given as x

Height is given as x

Hence area is A

A =

Multiplying 2 in both sides

Taking square root on both sides

hence the answer is x = 9.9 in : Answer

Hope it will help :)

4 0

3 years ago

A sack of pet food costs $15.50.if you buy two sacks the shop only charges $13.25 per sack.What is the percentage discount per s

Alexxandr [17]

The percentage discount per sack when you buy two sacks is 14.5%

<h3>How to determine the percentage discount?</h3>

The given parameters are:

Cost per sack = $15.50
Discount cost = $13.25

The percentage discount is calculated as:

$Percentage = \frac{Cost - Discount}{Cost} * 100\%$

This gives

$Percentage = \frac{15.5 - 13.25}{15.5} * 100\%$

Evaluate

Percentage = 14.5%

Hence, the percentage discount per sack when you buy two sacks is 14.5%