3 years ago

Plz help me cant understand

Mathematics

1 answer:

Pachacha [2.7K]3 years ago

7 0

I hope this helps you

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I dont know…………………..

Marysya12 [62]

Answer:

$-3\sqrt{3}$

Step-by-step explanation:

$-4\sqrt{12}+\sqrt{75}$

$-4\sqrt{4*3}+\sqrt{25*3}$

$-4\sqrt{4}\sqrt{3}+\sqrt{25}\sqrt{3}$

$-4(2)\sqrt{3}+5\sqrt{3}$

$-8\sqrt{3}+5\sqrt{3}$

$-3\sqrt{3}$

5 0

2 years ago

What is the value of z in the table?

Genrish500 [490]

The value is 30.9 liters

6 0

2 years ago

By what number should -4.125 be divided to get -5.5.

kogti [31]

Answer: 0.75

Step-by-step explanation:

-4.125/-5.5 = 3/4 or 0.75

-4.125/0.75 = -5.5

6 0

3 years ago

Kaylee has 2 gallons each of red and blue paint, and 1 gallon each of orange and green paint. She paints her bedroom with these

Aleks04 [339]

Answer:

3( 73/84 )left over

Step-by-step explanation:

She had 6 gallons in total

2/3+1/4+1/2+5/7=179/84 = 2 ( 11/84)

6/1-179/84 = 325/84 = 3(73/84)

She used 179/84

She have left 325/84

179/84 + 325/84 = 6

With mixed numbers:

2 11/84

3 73/84

2+3=5 11/84+73/84= 84/84 =1

5+1=6

8 0

3 years ago

When Theresa got her puppy, it weighed 6 ponds less than 2/3 of its weight now. If the puppy weighed 4 pounds when she first rec

sesenic [268]

Answer:

15 lb

Step-by-step explanation:

let the current weight of the puppy be X, the initial weight of the puppy is 4lb or $\frac{2}{3}X-6\ lb$ , (6 lb less 2/3 X) .

#We equate the current weight to the initial weight to determine X:

$4\ lb=\frac{2}{3}X-6\ lb\\\\10 \ lb=\frac{2}{3}X\\\\X=15$

Hence, the current weight of the puppy is 15 lb

5 0

3 years ago