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1 year ago

Which arrangement shows −275 , −4.1 , −535 , and −3 in order from least to greatest?

Mathematics

1 answer:

vodomira [7]1 year ago

6 0

Answer:

-535, -275, -4.1, -3

Step-by-step explanation:

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Which would prove that ΔABC ~ ΔXYZ? Select TWO options.

gulaghasi [49]

Answer:

$\frac{BA}{YX}=\frac{BC}{YZ}$ , ∠C ≅∠Z

$\frac{AC}{XZ}=\frac{BA}{YX}$ , ∠A≅∠X

$\frac{BA}{YX}=\frac{BC}{YZ}=\frac{AC}{XZ}$

Step-by-step explanation:

we know that

If two triangles are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

In this problem

The corresponding sides are

BA and YX

BC and YZ

AC and XZ

The corresponding angles are

∠A and ∠X

∠B and ∠Y

∠C and ∠Z

$\frac{BA}{YX}=\frac{BC}{YZ}=\frac{AC}{XZ}$

and

∠A≅∠X

∠B≅∠Y

∠C ≅∠Z

therefore

$\frac{BA}{YX}=\frac{BC}{YZ}$ , ∠C ≅∠Z

$\frac{AC}{XZ}=\frac{BA}{YX}$ , ∠A≅∠X

$\frac{BA}{YX}=\frac{BC}{YZ}=\frac{AC}{XZ}$

3 0

2 years ago

Read 2 more answers

Please help me asap! Could you please explain how you got the answer

svetoff [14.1K]

Answer:

B) 23

Step-by-step explanation:

Table: Algebra | No algebra | Total

Physics | 4 Step 1: 8 12

No physics |Step 2: 15

Total | 19 30

We look for the number of people who are in algebra and no physics or physics and no algebra.

1. 12 - 4 = 8

2. 19 - 4 = 15

3. We find the total of those numbers: 15 + 8 = 23

7 0

2 years ago

Theresa has hired Chuck and Diana to paint a fence. Diana can paint 150 fence posts in the same time it takes Chuck to paint 130

Alenkasestr [34]

Answer: Chuck can paint 65 posts per hour.

Step-by-step explanation:

The data we have here is:

Diana can paint 150 fence posts in a time T

Chuck can pint 130 fence posts in a time T.

In one hour, Diana can paint 10 more fence posts than Chuck.

If D is the hourly rate of Daian, and C is the hourly rate for Chuck, we have:

D = 150/T

C = 130/T

D = C + 10

we can replace the last equation in the first one and geT:

C + 10 =150/T

C = 130/T

Now we can replace the bottom equation in the above one:

130/T + 10 = 150/T

10 = 150/T - 130/T = 20/T

T*10 = 20

T = 20/10 = 2

So T is 2 hours, then whe have:

D = 150post/2hours = 75 posts per hour.

C = 130 posts/2hours = 65 posts per hour.

4 0

2 years ago

Camille knew that a triangle had one side with a length of 16 inches and another side with a length of 20 inches. She did not kn

SSSSS [86.1K]

The unknown side is 9. Because 9 x 5= 45, 45 being the perimeter, that is 5 times the unknown side. And 45 is the sum of 9, 16, and 20.

5 0

2 years ago

In a café, drinks are priced according to what size they are.

Andrei [34K]

A) Gavin’s drinks altogether cost £9.00
1.50+2.50x3
=1.50+7.50
=£9.00
b) Lian gets back £3.50
1.50+2.00+3.00
=6.50

10.00-6.50=£3.50

8 0

2 years ago