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2 years ago

If m/CHF = 106°, then what is m/FHD?

Mathematics

1 answer:

Tom [10]2 years ago

7 0

m<CHF and m<FHD are supplementary

$\\ \rm\Rightarrow 106+\angle{FHD}=180$

$\\ \rm\Rightarrow m\angle{FHD}=180-106$

$\\ \rm\Rightarrow m\angle{FHD}=74$

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The expression (x+3)(x+4), is equivalent to which of the following?

stich3 [128]

Answer:

x² + 7x + 12

Step-by-step explanation:

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3 years ago

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nadya68 [22]

Answer:

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3 years ago

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3 years ago

A student's grade for the four quarters are 95, 83, 91, and 85. What does the student need to earn on the final exam to have an

gulaghasi [49]

Answer:

The least score the student can get is 71 to get an overall B average at the end of the year.

Step-by-step explanation:

Let the score she needs to get be = x

We now have to take the mean of all the five subjects <em>(including x)</em> and equate it to the least score she can have to get a B grade.

Let us take the least score the student needs to get a B grade to be 85

Mean of all 5 scores =

$\frac{95+83+91+85+x}{5}=85$

$\frac{354+x}{5} =85$

$354+x = 425$

$x = 71$

The least score the student can get is 71 to get an overall B average at the end of the year.

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3 years ago

A DVD was priced at $2.87 last week. This week the same DVD is priced at $10.59. What is the percent increase in price?

solniwko [45]

Answer:

Percentage increase = 269%

Step-by-step explanation:

Price of a DVD last week = $2.87

Price of the same DVD this week = $10.59

Increase in the price of DVD between last week and this week = 10.59 - 2.87

= $7.72

Therefore, percentage increase in the price of DVD = $\frac{\text{Increase in the price}}{\text{Price of DVD last week}}\times 100$

= $\frac{7.72}{2.87}\times 100$

= 268.99

= 269%

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3 years ago