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Zinaida [17]
3 years ago
14

If a = 3, what is the value of the expression 36 ÷ a · 4 + 2? 5 48 50 72

Mathematics
2 answers:
amm18123 years ago
7 0
50. Plug in 3 for a and divide that by 36
Anni [7]3 years ago
5 0
36/3= 12
12x4= 48
48+4= 50
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Which equation represents a proportional relationship?
iren2701 [21]
The equation that represents a proportional relationship is:

y = 32x

Because:

y/x = 32

So that implies that y is directly proportional to x.

Note that other equations represent a proportional relationship in some form, only that the relationship y = 32x is the only direct proportional relationship.

5 0
3 years ago
Need help with question please
viktelen [127]

Answer:

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Step-by-step explanation:

Here is the work I did. I used the quadratic formula. Sorry about my bad handwriting.

6 0
3 years ago
Find x to the nearest hundredth place.
Arada [10]

Answer:

C.  24.27 cm

Step-by-step explanation:

sin 65° = opposite ÷ hypotenuse

sin 65° = 22/x

multiply both sides of the equation by x

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divide both sides of the equation by sin 65°

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punch in 65 sin into your calculator

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7 0
2 years ago
Heather measures the temperature of her coffee to be 133.4 degrees fahrenheit. It is actually 145 degrees fahrenheit. What is th
zhenek [66]

Answer:

The percent error of Heather's calculation is <u>8%</u>.

Step-by-step explanation:

Given:

Heather measures the temperature of her coffee to be 133.4 degrees fahrenheit. It is actually 145 degrees fahrenheit.

Now, to find the percent error of Heather's calculation.

The temperature of coffee Heather measures = 133.4° F.

Coffee's actual temperature = 145° F.

So, to get the measurement in error we subtract the temperature of coffee Heather measures from coffee's actual temperature:

145-133.4=11.6\°.

Now, to get the percent error:

\frac{11.6}{145}\times 100

=\frac{1160}{145}

=8\%.

Therefore, the percent error of Heather's calculation is 8%.

5 0
3 years ago
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IRINA_888 [86]
The awnser is c mann
5 0
3 years ago
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