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Westkost [7]
3 years ago
14

3 times (square root of 125 over 5 minus 8)

Mathematics
2 answers:
lara [203]3 years ago
8 0

Parentheses are your friend when typing math equations anywhere. Use them to define function arguments (for example, sqrt, sin, cos, tan, log), exponents, numerators, and denominators. If an exponent, numerator, or denominator includes <em>any</em> math operation, it MUST be enclosed in parentheses.

3(√(125/5) -8) . . . . I have chosen an arrangement that gives a rational result

= 3(√25 -8)

= 3(5 -8)

= 3(-3)

= -9

fenix001 [56]3 years ago
3 0
Hope this helps you good luck

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Three and two third divided by two
suter [353]

Answer:

1⅚

Step-by-step explanation:

(3 + ⅔) ÷ 2

11/3 ÷ 2

11/3 × 1/2

11/6

1⅚

8 0
3 years ago
Given a term and the common difference, find the explicit formula.<br> 8. a(19) = 135<br> d = 15
Rasek [7]

The explicit formula is a(n) = 15(n – 10)

<u>Solution:</u>

Given, a term a(19) = 135 and common difference d = 15

We have to find the explicit formula.

Now, we know that, a(n) = a + (n – 1)d where a(n) is nth term, a is first term, d is common difference,

So, for a(19)  

\begin{array}{l}{\rightarrow a(19)=a+(19-1) 15} \\\\ {\rightarrow 135=a+18 \times 15} \\\\ {\rightarrow a=135-270} \\\\ {\rightarrow a=-135}\end{array}

Now, we know that, an explicit formula is an expression for finding the nth term,  

So, in our problem, expression for finding nth term is a + (n – 1)d  

\begin{array}{l}{\rightarrow-135+(n-1) 15} \\\\ {\rightarrow-135+15 n-15} \\\\ {\rightarrow 15 n-150} \\\\ {\rightarrow 15(n-10)}\end{array}

Hence, the explicit formula is a(n) = 15(n – 10).

7 0
3 years ago
Amirah volunteers at the recycling center every weekend. Last weekend, she helped sort 263 pounds of cans and bottles 668 pounds
Evgesh-ka [11]

Answer:

The total amount of recyclables sorted by Amirah is 931 pounds.

Step-by-step explanation:

Amount of cans and bottles sorted  = 263 pounds

Amount of paper sorted  =  668 pounds

So, the total amount of recyclables sorted

= amount of cans and bottle sorted + amount of paper sorted

= 263 pounds + 668 pounds

= 931 pounds

Hence, the total amount of recyclables sorted is 931 pounds.

3 0
3 years ago
Use the gcf to create an equivalent expression 18y + 24
Virty [35]

Answer:

The gcf is 6.

so

we can divide by 6 on both sides to create

6(3y + 6)

Step-by-step explanation:

3 0
2 years ago
Please help! it’s urgent
ycow [4]

Step-by-step explanation:

{9}^{ \frac{3}{2} }  \times  {27}^{ \frac{1}{2} }  =  {(3)}^{ \frac{3}{2} \times 2 }  \times  {(3)}^{ \frac{1}{2}  \times  3}  \\  =  {3}^{3}  \times  {3}^{ \frac{3}{2}  }  \\  =  {3}^{3 +  \frac{3}{2} }  \\  =  {3}^{4\frac{1}{2} }  \\  =  {3}^{ \frac{9}{2} }

8 0
2 years ago
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