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Vilka [71]
3 years ago
7

Someone please help me ASAP serious answers only!!!!!

Mathematics
1 answer:
muminat3 years ago
3 0
The slopes of perpendicular lines are negative reciprocals.
 If one line has a slope of 1/6, then the negative reciprocal would be -6/1 which is simplifies as -6.

The answer is C.

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EASY POINTS PLEASE ANSWER!!
pentagon [3]
If Bryan’s and Sequola’s group work together it would take them both 4 hours to build a garage because 16 - 12 = 4.

Hope this helps ;-)
4 0
3 years ago
Read 2 more answers
In the expression 7³ - 4 · 3 +8, the first operation is? A. An Exponent B. Subtraction C. Multiplication D. Addition
Vikki [24]

Answer:

An exponent

Step-by-step explanation:

look at PEM/DA/S

Parenthesis

EXPONENTS

and then you can stop the first operation is 7^3

this is an exponent

(also brainliest if this helped please!)

6 0
4 years ago
HELP ME PLZZZZ!!!!!<br><br><br> It’s just 21 and 22
galina1969 [7]

Answer:

21) 12 cm

22) 5.9 cm

Step-by-step explanation:

21) The base is 10, and if the other two sides are congruent and the perimeter is 36, we can figure out with simple algebra that the sides are 13 cm long.

Half of 10 is 5, so we can use the pythagorean theorem.

5^2+x^2=13^2

Rearranging the variables we have 169-25=x^2

144=x^2

x can be plus or minus 12, but since negative length is impossible we find that x is positive 12 cm.

22) We want to use sine, because we have opposite and hypotenuse. A simple and easy way to memorize this is the SohCahToa method. If we have opposite (O) and hypotenuse (H) we have OH. Soh has the letters O and H, and the S means we should use sine.

sine 36=a/10

Plug this into a calculator or desmos scientific calculator to get a=5.9

7 0
3 years ago
Given the function h(x)=-x^2+4x+12, determine the average rate of change of the function over the interval −2≤x≤4.
iris [78.8K]

Answer:

2

Step-by-step explanation:

The average rate of change of h(x) in the closed interval [ a, b ] is

\frac{f(b) - f(a)}{b-a}

Here [ a, b ] = [ - 2, 4 ] , then

f(b) = f(4) = - (4)² + 4(4) + 12 = - 16 + 16 + 12 = 12

f(a) = f(- 2) = - (- 2)² + 4(- 2) + 12 = - 4 - 8 + 12 = 0

Then

average rate of change = \frac{12-0}{4-(-2)} = \frac{12}{6} = 2

5 0
3 years ago
2.06 , 2.6 , 2.9<br> from smallest to largest
ale4655 [162]

Answer:

2.06 is smallest ans 2.9 is largest

7 0
3 years ago
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