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3 years ago

What 76 rounded to the nearest 10

2 answers:

8 0

76 rounded to the nearest 10th is 80
if the number is a 5 or above in the second number it goes up to the next number with a 0 if its 4 or under is goes to the lower number with a 0

Kisachek [45]3 years ago

5 0

76 rounded to the nearest 10 is 80.

Since 6 is greater than 5, it rounds 7 to 8.

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Simplify by combining like terms:

Romashka [77]

9514 1404 393

Answer:

-77k²m³

Step-by-step explanation:

The variable arrangement is the same for each term, so we simply combine their coefficients:

k²m³ +22k²m³ -100k²m³ = (1 +22 -100)k²m³ = -77k²m³

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3 years ago

Which ordered pair is the solution set of 1x-7y>7

Brrunno [24]

Answer:

x>7y+7

Step-by-step explanation:

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3 years ago

D = b^2 -4ac solve for a 2/3 (x-18y) = 6y solve for x

seropon [69]

Answer:

a = $\frac{b^2-d}{4c}$

x = 27y

Step-by-step explanation:

Order of Operations: BPEMDAS

Question 1

Step 1: Write out discriminant

d = b² - 4ac

Step 2: Subtract b² on both sides

d - b² = -4ac

Step 3: Divide both sides by -1

b² - d = 4ac

Step 4: Divide both sides by 4c

a = $\frac{b^2-d}{4c}$

Question 2

Step 1: Write out equation

2/3(x - 18y) = 6y

Step 2: Distribute parenthesis

2/3x - 12y = 6y

Step 3: Isolate x by adding 12y on both sides

2/3x = 18y

Step 4: Divide both sides by 2/3

x = 27y

7 0

2 years ago

Please help me! And please no scam answers

Yuri [45]

Answer:

Average rate of change: $-3$

Step-by-step explanation:

Remember:

The average rate of change of a function over an interval $[a,b]$ is $\frac{f(b)-f(a)}{b-a}$

Given:

$[a,b]=[1,7]$

$f(b)=f(7)$

$f(a)=f(1)$

Calculation:

$f(b)=f(7)=-(7)^2+5(7)+14=-49+35+14=-49+49=0$

$f(a)=f(1)=-(1)^2+5(1)+14=-1+5+14=4+14=18$

$\frac{f(b)-f(a)}{b-a}=\frac{0-18}{7-1}=\frac{-18}{6}=-3$

Therefore, the average rate of change of the function $g(x)=-x^2+5x+14$ over the interval $1\leq x\leq7$ is $-3$ .

6 0

2 years ago

"write the expression in radical form and then evaluate"

Gennadij [26K]

What is the expression?

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3 years ago