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stiks02 [169]
3 years ago
10

PLZ HELPPPPP ME

Mathematics
1 answer:
Leokris [45]3 years ago
5 0

Answer:

  1. 4:5
  2. 16:20
  3. 32:40

Step-by-step explanation:

  1. 8 ÷ 2 = 4, 10 ÷ 2 = 5; put them together: 4:5
  2. 8 × 2 = 16, 10 × 2 = 20; put them together: 16:20
  3. 8 × 4 = 32, 10 × 4 = 40; put them together: 32:40

I hope this helps!

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A number decreased by 23 is 44.
xxMikexx [17]
If you add those two numbers together you get 67. 67-23=44 :)
5 0
3 years ago
Can anyone tell me if this is 50 or 64 please
algol [13]
I think the Answer is 64 !!!
4 0
4 years ago
raineys group designed a flag. they used 234 sq inches of green fabric. twice as much green fabric as orange fabric. 3 times as
Strike441 [17]

Answer:

The total area of the flag was 394 square inches.

Step-by-step explanation:

Given that Rainey's group designed a flag, and they used 234 square inches of green fabric, twice as much green fabric as orange fabric, and 3 times as much green fabric as yellow fabric and they had 35 sq inches of yellow fabric left, to determine the total area of the flag the following calculation must be performed:

234 + 234/2 + (234/3 - 35) = X

234 + 117 + (78 - 35) = X

234 + 117 + 43 = X

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Thus, the total area of the flag was 394 square inches.

6 0
3 years ago
(25 points to correct answer)
Kobotan [32]

Answer:

The area of a sector GHJ is 36.3\ cm^{2}

Step-by-step explanation:

step 1

we know that

The area of a circle is equal to

A=\pi r^{2}

we have

r=8\ cm

substitute

A=\pi (8)^{2}

A=64\pi\ cm^{2}

step 2

Remember that the area of a complete circle subtends a central angle of 360 degrees

so

by proportion find the area of a sector by a central angle of 65 degrees

\frac{64\pi}{360}=\frac{x}{65}\\ \\x=64\pi (65)/360

Use \pi =3.14

x=64(3.14)(65)/360=36.3\ cm^{2}

6 0
3 years ago
Please help if you can
Arisa [49]

Answer:

Option D

Step-by-step explanation:

Formula to be used,

Scale factor = \frac{\text{Dimension of the image rectangle}}{\text{Dimension of the original}}

By this formula,

\frac{7}{2}=\frac{\text{Length of the dilated rectangle}}{\text{Length of the original rectangle}}

\frac{7}{2}=\frac{L}{22}

L = \frac{7\times 22}{2}

  = 77 inches

Similarly, width of the the dilated rectangle = \frac{7}{2}\times 10

                                                                        = 35 inches

Perimeter of the new rectangle = 2(Length + width)

                                                    = 2(77 + 35)

                                                    = 224 inches

Option (D) will be the correct option.

7 0
3 years ago
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