2 years ago

Which statement is true?

Mathematics

1 answer:

Dafna1 [17]2 years ago

7 0

The second one is the true statement

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The length of a rectangle is 3 times the width. The perimeter is 96m. What is the length

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Length =3×12 =36 m.

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use distributive property to simplify the expression 3 (8x + 2y) I need help with my algebra homework someone please help.

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$6 \times (4 \times x + y)$

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14. You traveled 48 miles less than your friend Pablo. If you traveled 117 miles how

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165 miles

Step-by-step explanation:

117 + 48 = 165

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An automobile manufacturer is concerned about a possible recall of its best-selling four-door sedan. If there were a recall, the

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Answer:

0.27

Step-by-step explanation:

Suppose A is the event of defect in the brake system and B is the event of defect in the fuel system,

We have given,

P(A) = 0.25,

P(B) = 0.17

P(A∩B) = 0.15 ( the probability of defects in both systems simultaneously is 0.15 ),

We know that,

P(A∪B) = P(A) + P(B) - P(A∩B)

= 0.25 + 0.17 - 0.15

= 0.27

Hence, the probability that the defect is the brakes or the fueling system is 0.27.

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2 years ago

Trapezoid QRST has two right angles. A 5-in.altitude can be drawn dividing QRDT into a rectangle and an isosceles right triangle

Vika [28.1K]

Answer:

The area of the trapezoid is 57.5 square inches

Step-by-step explanation:

we know that

The trapezoid QRST can be divided into a rectangle QRDT and an isosceles right triangle RSD

see the attached figure to better understand the problem

step 1

The area of rectangle is given by the formula

$A=((QR)(RD)$

we have

$RD=5\ in$ ----> altitude

$QR=9\ in$

substitute

$A=((9)(5)=45\ in^2$

step 2

Find the area of the isosceles right triangle

The area of triangle is given by the formula

$A=\frac{1}{2}(RD)(DS)$

we have

$RD=DS=5\ in$ ---> because is an isosceles triangle

substitute

$A=\frac{1}{2}(5)(5)=12.5\ in^2$

step 3

Adds the areas

$A=45+12.5=57.5\ in^2$

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3 years ago

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