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3 years ago

Select all of the following that are a direct variation. (select all that apply)

Mathematics

1 answer:

leonid [27]3 years ago

6 0

The answer is A and B

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X=0.08 hope it helps love

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PLEASE HELP ME ASAP!!!!! (Find the surface area of the prism)

Sveta_85 [38]

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5/6+2i Aka 5 ___ 6+2y Ignore my answer its probably wrong

liberstina [14]

Answer:

(3/4) -(1/4)i

Step-by-step explanation:

Your answer is correct.

$\dfrac{5}{6+2i}=\dfrac{5(3-i)}{2(3+i)(3-i)}=\dfrac{5(3-i)}{2(9+1)}\\\\=\dfrac{3-i}{4}=\dfrac{3}{4}-\dfrac{1}{4}i$

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3 years ago

Which is the measure of line segment AB? A)10 feet B)15 feet C)20 feet D)100 feet

zavuch27 [327]

Find the last angle:
180-(30+90)
180-(120)
60

Evaluate using sine rule:
$\frac{c}{sinC}$ = $\frac{b}{sinB}$

c= $\frac{bsinC}{sinB}$

= $\frac{10sin90°}{sin30°}$

=20

The length of line segment AB is 20 feet (answer choice C)

5 0

3 years ago

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Which problem solving strategy would be best to solve this problem?

Sauron [17]

Answer:

The correct option is;

B. Use a formula

Step-by-step explanation:

Given that Jim and Lillian have the dimensions of the wall they want to paint, therefore, in order to know how much paint they need to buy, they should proceed as follows;

1) Determine the quantity of paint required to paint a unit area of the wall, and record the quantity UA

2) Calculate the area, A, of the wall they want to paint, which is 15 ft. × 9 ft. = 135 ft.²

3) The amount of paint needed, AmP is therefore given by the following formula

AmP = A × AU = 135 × AU

6 0

3 years ago