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3 years ago

Can someone please help me

Mathematics

2 answers:

ANTONII [103]3 years ago

6 0

Hold up I’m doing the math :)

Anarel [89]3 years ago

5 0

Tyh said he will not have a good day today and I will let you go home and get a drink and then I have a drink with me but I’m not going home with my mom friend I will just text him when I’m gonna be there

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Perform the following operations and write the answers in radical form.

strojnjashka [21]

Given:

Part A: $\sqrt{7}+\sqrt{3}+\sqrt{98}-\sqrt{18}$

Part B: $3 \sqrt{5}-3 \sqrt{11}+2 \sqrt{121}-3 \sqrt{90}$

To find:

The simplified radical form.

Solution:

Part A: $\sqrt{7}+\sqrt{3}+\sqrt{98}-\sqrt{18}$

$\sqrt{98}=\sqrt{7^2 \times 2} =7 \sqrt{2}$

$\sqrt{18}=\sqrt{3^2 \times 2} =3 \sqrt{2}$

Substitute these in the given expression.

$\sqrt{7}+\sqrt{3}+\sqrt{98}-\sqrt{18}=\sqrt{7}+\sqrt{3}+7\sqrt{ 2}-3\sqrt{ 2}$

Add or subtract the coefficient of same radical.

$=\sqrt{7}+\sqrt{3}+(7-3)\sqrt{ 2}$

$=\sqrt{7}+\sqrt{3}+4\sqrt{ 2}$

Part B: $3 \sqrt{5}-3 \sqrt{11}+2 \sqrt{121}-3 \sqrt{90}$

$2 \sqrt{121}=2\sqrt{11^2}$

$=2\times 11$

= 22

$3 \sqrt{90}=3\sqrt{3^2 \times 10}$

$=3\times 3 \sqrt{10}$

$=9 \sqrt{10}$

Substitute these in the given expression.

$3 \sqrt{5}-3 \sqrt{11}+2 \sqrt{121}-3 \sqrt{90}=3 \sqrt{5}-3 \sqrt{11}+22-9 \sqrt{10}$

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3 years ago

Evaluate the following expression using the values given: Find LaTeX: 3r^2-5s+6t3 r 2 − 5 s + 6 t if LaTeX: r=2,\:s=-4,\:t=-1r =

qaws [65]

Answer:

Step-by-step explanation:

These problems always really confuse me but I took a quiz with this question and this is my answer 26

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When does the price of an item increase?

Mrrafil [7]

Answer:

Step-by-step explanation:

Tell me if you need an explanation

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T or F? Is 3y=5x If x is 3 and y is 5?

Andrei [34K]

Answer:

True

Step-by-step explanation:

3y=5x

Put x as 3 and y as 5.

3(5) = 5(3)

15 = 15

Hence, true.

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3 years ago

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How do you write 0.0500 in simplified form?

Nataly_w [17]

It would just be 0.05

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