2 years ago

Which of the following statements is true about the three quadrilaterals?

Mathematics

1 answer:

OLEGan [10]2 years ago

4 0

Answer:

M and O are similar but not congruent

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A sample of lake water contains 150grams of salt. If 30% of the water sample is salt, find the number of grams the entire sample

hjlf

Answer:

500 grams

Step-by-step explanation:

Let's say that the total number of grams of the sample is x. We know that 30% of x is salt and we also know this quantity is 150 grams. So, we can write this as:

30% * x = 150

Remember that % is simply "out of 100", so 30% = 30/100 = 0.30. Then:

0.30 * x = 150

Divide both sides by 0.30:

x = 500 grams

Hope this helps!

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3 years ago

( 7x + 1/2) + ( 7x - 7 and 1/2) Simplify

pishuonlain [190]

Answer:

The answer will be 7(2x - 1)

Step-by-step explanation:

1) Convert 7 and 1/2 to improper fraction. Use this rule: a b/c = ac + b/c

$7x + \frac{1}{2} + 7x - \frac{7 \times 2 + 1}{2}$

2) Simplify 7 × 2 to 14 .

$7x + \frac{1}{2} + 7x - \frac{14 + 1}{2}$

3) Simplify 14 + 1 to 15.

$7x + \frac{1}{2} + 7x - \frac{15}{2}$

4) Collect like terms.

$(7x + 7x) + ( \frac{1}{2} - \frac{15}{2} )$

5) simplify.

$14x - 7$

6) Factor out the common term 7.

$7(2x - 1)$

Therefor, the answer is 7( 2x - 1 ).

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2 years ago

(NO LINKS)Please help I’m begging it been two days I keep sending questions all I been getting is links that hack your device so

tatiyna

Answer:

wdym by that what question actually

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3 years ago

A theater sells children's tickets for half the adult ticket price. if 5 adult tickets and 8 children's tickets cost a total of

Ghella [55]

27 = 5x/2 + 8y is an equation to use to solve

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3 years ago

After the bank cashed a check Maureen wrote for $60, her balance was -$14.The equation b+(-60)=-14 can be used to represent this

dem82 [27]

we are given

$b+(-60)=-14$

Since, we have to solve for b

$b-60=-14$

so, we will isolate b ony one side

so, we will add 60 on both sides

$b-60+60=-14+60$

$b=-14+60$

$b=46$

so,

Answer:

Maureen should have added 60 to both sides.

5 0

2 years ago

Read 2 more answers