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4 years ago

Find the sum. (1/5x-5)+(2/5x-6)=

Mathematics

1 answer:

valkas [14]4 years ago

8 0

Answer:

$\frac{3}{5}x-11$

Step-by-step explanation:

$(\frac{1}{5}x-5)+(\frac{2}{5} x-6)$

$=\frac{1}{5}x-5+\frac{2}{5} x-6$

$=\frac{3}{5}x-11$

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S. (4 - 2x)(4 + 2x)<br><br>

sineoko [7]

Answer:

16-4x^2

Step-by-step explanation:

u start multiplying them by each other .

4×4= 16

4×2x= 8x

-2x×4= -8x

-2x×2x= -4x^2

now u combine like terms

8x+-8x = 0

16-4x^2

I hope u understood.... lol

3 0

3 years ago

Compare the values 4 x 10 to the power 7

lesantik [10]

Answer:

Step-by-step explanation:

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5 0

3 years ago

Read 2 more answers

9 Marty conducted a survey in his first period class to determine student preferences for music. Out of 25 students, 14 like hip

S_A_V [24]

Answer:

Step-by-step explanation:

14/25=0.56 0.56x300=168

6 0

4 years ago

Do you line up the decimal when subtracting

joja [24]

Yes, you do so that when you subtract, you subtract each number for their specific place value.

Hope this helps :)

4 0

3 years ago

Read 2 more answers

How many drahms areequivalent to 300 grains?

GenaCL600 [577]

hello

to solve this question, we need to know how many grains is in 1 gram

$\begin{gathered} 1\text{grams}=15.43\text{grains} \\ \end{gathered}$

now let 300 grains be equal to x grams

$\begin{gathered} 1\text{grams}=15.43\text{grain} \\ \text{xgrams}=300\text{grains} \\ \text{cross multiply both sides and solve for x} \\ x\times15.43=1\times300 \\ 15.43x=300 \\ \text{divide both sides by 19.44} \\ \frac{15.43x}{15.43}=\frac{300}{15.43} \\ x=\frac{300}{15.43} \\ x=19.44 \end{gathered}$

300 grains will weigh 19.44g

8 0

2 years ago