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7nadin3 [17]
3 years ago
6

Myra is evaluating the expression –31.7 + 4.5x, when x = 2.1.

Mathematics
2 answers:
Roman55 [17]3 years ago
6 0
Answer is b myra should have multiplied 4.5 and 2.1 first.
Nina [5.8K]3 years ago
5 0
B Myra should have multiplied 4.5 and 2.1 first.
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HELP PLEASE!
Nataliya [291]
The answer is C.

The probability of a hit is 127/369 This includes home runs.The probability of a home run is 21/369 = 7/123The probability of a hit that is not a home run is (127-21)/369 = 106/369The probability of no hit is (369-127)/369 = 242/369 Now,If Miguel hits a home run, he'll score 5 pointsIf Miguel has a hit that is not a home run, he'll score 1 pointIf Miguel does not get a hit, he'll score 0 points. Expected value of his score at each at bat is(0) 242/369 + (1) 106/369 + (5) 21/369106/369 + 105/369 = 211/369 = .57
7 0
4 years ago
Please help!! ill give brainliest!!! this is worth 30 points!!!!!!!!​
Svetlanka [38]

Answer:   a. 45 = k

                 b. d/t = 45

                 c. d = 45t

<u>Step-by-step explanation:</u>

The constant of proportionality (k) equals y divided by x if it is a direct variation.  In the given problem, y is represented by distance (d) and x is represented by time (t).

a)\quad \dfrac{d}{t}=k\\\\\\.\qquad \dfrac{90}{2}=k\\\\\\.\qquad 45=k\\\\\\b)\quad \dfrac{d}{t}=k\\\\\\.\ \quad \dfrac{d}{t}=45\\\\\\c)\quad \text{multiply both sides by t:}\\.\qquad d=45t

5 0
3 years ago
In money in a savings account earned 8.5% intrest per annum, how much interest would be earned on $200.00 over two years?
Reil [10]

Answer:

$1305.91

Step-by-step explanation:

To solve this, we can use the geometric sequence formula

\alpha _n=a_1*r^n^-^1

If we plug in our values we get \alpha _n=200*1.085^2^3

Thus, leaving us with 1305.91

Hope this helps

5 0
3 years ago
Gill has five boxes that contain only red and yellow counters.
ad-work [718]

Answer:

Box e

Step-by-step explanation:

14/20=0.7

6 0
3 years ago
SOMEONE PLEASE HELP ME AND JUST TEL ME THE ANSWER ASAP. PLEASE
Elina [12.6K]
It should be 122° if I am not mistaken
6 0
3 years ago
Read 2 more answers
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