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Anna35 [415]
3 years ago
12

PLS HELP PLS PLS PLS WILL MARK BRAINLIEST

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
4 0
Answer: C
It’s going down by the same rate of change, 2.
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2( 10 - a^2 ) + 7a If ( a = 4 )Evaluate each expression
Lostsunrise [7]

Solution:

Given:

2(10-a^2)+7a

when a = 4, substitute for a in the expression;

\begin{gathered} 2(10-a^2)+7a=2(10-4^2)+7(4) \\ =2(10-16)+28 \\ =2(-6)+28 \\ =-12+28 \\ =16 \end{gathered}

Therefore, if (a = 4), then

2(10-a^2)+7a=16

Hence, the answer is 16.

6 0
11 months ago
Help pls i really need help
Naddik [55]
<h3>Answer:  33%</h3>

===========================================================

Explanation:

1/3 converts to the decimal form 0.333333... where the 3's go on forever

5/3 is a similar story but 5/3 = 1.666666.... where the '6's go on forever

The notation 0.\overline{6} indicates that the 6's go on forever.

So, 0.\overline{6} = 0.666666\ldots

The horizontal bar tells us which digits repeat. As another example, 0.\overline{123} = 0.123123123123\ldots

The three dots just mean "keep this pattern going forever".

----------

Everything mentioned so far has the decimal portions go on forever repeating some pattern over and over.

The only one that doesn't do this is 33% which converts to the decimal form 0.33

The value 0.33 is considered a terminating decimal since "terminate" means "stop". So this is the value that doesn't fit in with the other three items mentioned.

3 0
2 years ago
What is the circumfrenice of a diamiter of 7 inches
KIM [24]

Answer:

22 in

Step-by-step explanation:

<u>circumference of a circle = 2 π r</u>

where radius (r) = 7/2 in. = 3.5 in

C = 2 π (3.5)

   = 22 in

6 0
3 years ago
Read 2 more answers
The equation of a circle is (X+12)^2+(y+16)^2=r^2, and the circle passes through the origin. The equation of the circle then cha
serious [3.7K]

Answer:

x=\sqrt{r_{2} +y-16(r2-y+16)+30}R2

r=\sqrt{x^2+24x+y2+32y+400}

Step-by-step explanation:

3 0
3 years ago
Which of the following statements are true? Select all that apply.
wariber [46]

Answer:

1. No. it equals 24

2. Yes. it equals 18

3. Yes. it equals 90

4. No. it equals 44

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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