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3 years ago

Plz help fast will mark brainliest

Mathematics

2 answers:

Semenov [28]3 years ago

6 0

Answer: -270

Step-by-step explanation:

First, simplify the exponent

$-6*(25+20)$

Then, distribute

$-150+-120$

Then, subtract(add a negative)

$-270$

Hope it helps <3 :)

solmaris [256]3 years ago

4 0

-6(-5^2+20)

You’ll first need to evaluate the exponent

-6(-25+20)

Now you need to calculate the additional numbers

-6*-5

30, 30 is your answer. Therefore the value of the expression is 30

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Form a sequence that has two arithmetic means between -1 and 59.

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Answer:

Correct choice is B

Step-by-step explanation:

For the numbers -1 and 59, find the difference 59-(-1):

since 59-(-1)=60 and $\dfrac{60}{3}=20$ (two arithmetic means tells you there will be three intervals), two arithmetic means will be

-1+20=19;
19+20=39.

The only correct sequence is -1, 19, 39, 59.

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3 years ago

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Select three ratios that are equivalent to 7:6

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14:12

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4 years ago

Cuanto es la respuesta de -126=14k?

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Answer:

$\boxed{ \bold{ \huge{ \boxed{ \text{k = - 9}}}}}$

Step-by-step explanation:

$\star{ \text{ - 126 = 14k}}$

$\text{step \: 1 \: : Intercambia los lados de la ecuación}$

$\hookrightarrow{ \sf{14k = - 126}}$

$\text{step \: 2 : Divide ambos lados por 14}$

$\hookrightarrow{ \sf{ \frac{14k}{14} = \frac{ - 126}{14}}}$

$\text{step \: 3 \: : Calcular}$

$\hookrightarrow{ \sf{k = - 9}}$

$\text{el valor de k es - 9}$

------------------------------------------------------------

Translation in English:

Step 1 : Swap the sides of the equation

Step 2 : Divide both sides by 14

Step 3 : Calculate

$\sf{Hope \: i \: helped ! }$

$\sf{Best \: regards !!}$

~ $\sf{TheAnimeGirl}$

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3 years ago

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Your teacher asks the class to evaluate the expression. Your classmate gives an incorrect answer of 256. Evaluate the expression

Leya [2.2K]

Answer:

What expression?

Step-by-step explanation:

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Negative exponents 3-3 x 3-2

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Answer:

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Step-by-step explanation:

Whenever you multiply exponents, you add the values. Negative two plus negative three results in an answer of negative five. This will be the power. You will end up with 3^-5 as your answer.

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3 years ago