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3 years ago

Please help!!!!

Mathematics

2 answers:

AfilCa [17]3 years ago

6 0

The first one is a and the second one is b

stira [4]3 years ago

4 0

Answer:

C) a = 6, b = 4

Step-by-step explanation:

6 + 4 = 10

6 - 4 = 2

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In the figure, angle A measures 45° and angle E measures 15°.

nadya68 [22]

Answer:

Angle C = 45 degrees.

Angle D = 30 degrees.

Step-by-step explanation:

Angle C = 45 + 90 = 135 180 - 135 = 45.

Angle D = 180 - 45 = 135 (angle F) 15 + 135 = 150 180 - 150 = 30

4 0

3 years ago

Read 2 more answers

This is the longest side of a right triangle. It is also the side directly across from the 90-degree angle of a right triangle.

muminat

Answer:

hypotenuse

Step-by-step explanation:

the other sides are known as legs

7 0

3 years ago

A medicine is known to decompose and become ineffective if its temperature ever reaches 103 degrees Fahrenheit or more. Write an

Ludmilka [50]

Answer: Interval = [103,∞)

Explanation :

A medicine become ineffective if its temperature ever reaches 103 degrees Fahrenheit or more .

So, Interval becomes [103,∞)

i.e. semi-open or semi-closed interval as it includes $103\textdegree$

So, we used closed brackets i.e. square brackets and

For '∞' we always use open brackets only.

5 0

3 years ago

1 over 3b = 4 over 5 . Which of the following equals b in this equation? (4 points)

vfiekz [6]

Answer:

none of the answers listed are equivalent to b (22/5, 11/8, 2/5, 1/4)

Step-by-step explanation:

$\frac{1}{3b} = \frac{4}{5}$

to simplify, cross multiply

(1 · 5 = 3b · 4)

(5 = 12b)

divide both sides by 12 to isolate b,

$\frac{5}{12} =\frac{12b}{12}$

$\frac{5}{12} = b$

None of the answers listed are equivalent to 5/12

$\frac{5}{12}$ $\neq$ $\frac{22}{5}$

$\frac{5}{12} \neq$ $\frac{11}{8}$

$\frac{5}{12} \neq$ $\frac{2}{5}$

$\frac{5}{12} \neq$ $\frac{1}{4}$

8 0

2 years ago

A store manager predicts that 150 blankets will be sold if each blanket

Sever21 [200]

Answer:

$47

Step-by-step explanation:

Given: Store manager have predicted that 150 blanket can be sold at $32 each.

Also he has predicted sales of 2 blanket will decrease with $1 increase in price.

Now, finding price at which 120 blanket can be sold.

As we know cost of 150 blanket is $32 and we are finding for 120 blanket, which mean we have to increase price to decrease sales.

∴ $150-120 = 30\ blankets$

Using unitary method to find correct price.

For 2 decrease in sales = $1 increase in price

∴ 30 decrease in sales of blanket = $15 increase in price

Next, price of 120 blanket = $Price of 150\ blanket + increase\ in\ price$

Price\ of\ 120\ blanket = $32+15 = \$ 47$

∴ $47 should be the price for at least 120 blanket to be sold.

7 0

3 years ago