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3 years ago

A.

Mathematics

1 answer:

anygoal [31]3 years ago

8 0

The Correct answers are
A. 1.3
E. -1
F. -4

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Select ALL expressions that are equivalent to -4(x+2)-2x+4

Vikki [24]

Answer:

c and d

Step-by-step explanation:

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3 years ago

Question 8 of 10

zhannawk [14.2K]

Answer:

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ = $a^{\frac{1}{2} }$

Thus

( $\sqrt{a}$ )² = $a^{\frac{1}{2} }$ × $a^{\frac{1}{2} }$ = $a^{(\frac{1}{2}+\frac{1}{2}) }$ = $a^{1}$ = a → B

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3 years ago

Raj’s farmhouse is 1245km away from hiswarehouse. Daily he drivesa certain distance and then his friend Rohantakes aturn to driv

mariarad [96]

Answer:

Step-by-step explanation:

Subtract the distance driven by Rohan from the total distance

Distance driven by Raj = 1245 - 412

= 833 km

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3 years ago

Find the unknow measures of y and x.

Yanka [14]

9514 1404 393

Answer:

x = 2 m

y = 30°

Step-by-step explanation:

The side lengths of ΔDEF are 3/9 = 1/3 of those of ΔABC.

x = DF = 1/3(AB) = (1/3)(6 m)

x = 2 m

Angle measures of ΔDEF are the same as those of the corresponding angles of ΔABC.

y = ∠B = ∠E = 30°

y = 30°

8 0

3 years ago

Gina is cutting construction paper into rectangles for a project. She needs to cut one rectangle that is 12 inches by 14 1/4 inc

Fittoniya [83]

Answer:

278.63 square inches

Step-by-step explanation:

Gina needs to cut two types of rectangles.

Dimensions of one rectangle is given as,

Width = 12 inches

Length = $14\frac{1}{4}$ = $\frac{57}{4}$ inches

So, the area of this rectangular paper will be

Area = width × length = $12\times \frac{57}{4}$ = 171 inches²

Dimensions of the other rectangular paper has been given as

Width = $10\frac{1}{4}$ = $\frac{41}{4}$ inches

Length = $10\frac{1}{2}$ = $\frac{21}{2}$ inches

So, the area of this rectangle will be

Area = width × length = $\frac{41}{4} \times \frac{21}{2}$ = 107.63 inches²

Thus the total area she need to cut = 171 + 107.63 = 278.63 square inches.

6 0

3 years ago

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