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ANEK [815]
3 years ago
7

What is the vaule of x that satisfies the equation -3x-6=30? a. -12 b.-8 c.8 d.12

Mathematics
2 answers:
Jobisdone [24]3 years ago
7 0
A. -12 is the answer
Naddika [18.5K]3 years ago
6 0
I think that the answer is A.
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Help please!!! Which statement best describes the function
olga55 [171]

Answer:

A.

Step-by-step explanation:

We have x in exponent, so it is an exponential function.

Exponent is negative, so is is an exponential decay.

3 0
3 years ago
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Ming wants to make a 40% sugar solution. She had already poured 3 L of a 80% sugar solution into a beaker. How many L of a 10% s
jeyben [28]

Answer:

Ming must add 0.375 L of a 10% sugar solution

Step-by-step explanation:

if 3 L = 80%

1.5 L should = 40% (since it is half of 80%)

and if 40 divided by 4 = 10%

1.5 also needs to be divided by 4

so 1.5 divided by 4 = 0.375

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3 years ago
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3 years ago
What is the simplified version of 3\sqrt{135}
Aleonysh [2.5K]

Answer:

The simplified version of \sqrt[3]{135} is 3\sqrt[3]{5}.

Step-by-step explanation:

The given expression is

\sqrt[3]{135}

According to the property of radical expression.

\sqrt[n]{x}=(x)^{\frac{1}{n}}

Using this property we get

\sqrt[3]{135}=(135)^{\frac{1}{3}}

\sqrt[3]{135}=(27\times 5)^{\frac{1}{3}}

\sqrt[3]{135}=(3^3\times 5)^{\frac{1}{3}}

\sqrt[3]{135}=(3^3)^{\frac{1}{3}}\times (5)^{\frac{1}{3}}      [\because (ab)^x=a^xb^x]

\sqrt[3]{135}=3\times \sqrt[3]{5}     [\because \sqrt[n]{x}=(x)^{\frac{1}{n}}]

\sqrt[3]{135}=3\sqrt[3]{5}

Therefore the simplified version of \sqrt[3]{135} is 3\sqrt[3]{5}.

7 0
3 years ago
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Did ancient mathematicians use a ruler to determine the values of sine and cosine in a circle?
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They didn’t use a ruler I think they made their own materials from what they had. Also thank you.

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3 years ago
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