2 years ago

Help on unit 8 right triangles

Mathematics

1 answer:

ale4655 [162]2 years ago

3 0

YXZ, and YZW I think that’s what the question is asking

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Solve √(3x+7)+2√(x-8)=0.

laiz [17]

Answer:

The solution to this question is 39

Step-by-step explanation:

Given that :

√(3x+7)+2√(x-8)=0.

√(3x+7)=-2√(x-8) (i)

square of the equation (i)

Then

(√(3x+7))^2=(-2√(x-8))^2

we know that √a*√a=(√a)^2=a So,

(3x+7)=4(x-8)

3x+7=4x-32 //multiply by 4

32+7=4x-3x exchange the value.

39=1x

x=39.

4 0

3 years ago

school guidelines require that there must be atleast 2 chaperones for every 25 students going on a school trip.how many chaperon

Anna007 [38]

Answer:

there must be at least 6 chaperones

Step-by-step explanation:

25 x 3= 75 so 2 chaperons x 3= 6 with a remainder of 5 students

5 0

3 years ago

Two quantities, Pand Q, are connected by

frez [133]

Answer:

P = 0.5Q - 20

Step-by-step explanation:

P = kQ + c

substitute Q = 60 , P = 10 into the equation

10 = 60k + c → (1)

substitute Q = 240, P = 100 into the equation

100 = 240k + c → (2)

subtract (1) from (2) term by term to eliminate c

90 = 180k ( divide both sides by 180 )

$\frac{90}{180}$ = $\frac{1}{2}$ = 0.5 = k

substitute k = 0.5 into (1) and solve for c

10 = 60(0.5) + c

10 = 30 + c ( subtract 30 from both sides )

- 20 = c

then

P = 0.5Q - 20

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2 years ago

If a car company makes a car with the option of 4 exterior colors, 3 interior colors, and 2 engines, how can the multiplication

aalyn [17]

Answer:

You can multiply all of the number of options to get an answer.

Step-by-step explanation:

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3 years ago

0. 3, 0. 5, 0. 9, 1. 1What are those numbers put in order?

natima [27]

Answer:

0,0,0,1,3,5,9 I put it in order

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2 years ago