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Fantom [35]
3 years ago
13

14 + 6z - 10 + 9z equaled to?!

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
7 0

Answer:

15z + 4

Step-by-step explanation:

  1. 6z + 9z = 15z
  2. 14 - 10 = 4
  3. Put them together: 15z + 4

I hope this helps!

AnnZ [28]3 years ago
3 0

Answer:

4 + 15z

Step-by-step explanation:

Is your simplified expression.

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The area of shaded region.
Korvikt [17]

Answer:

160π cm²

Step-by-step explanation:

The area of the shaded region is

area of outer circle - area of inner circle

A = πr₁² - πr₂²

r₁ is the radius of the outer circle = 10 + 3 = 13 cm

r₂ is the radius of the inner circle = 3 cm

A = π × 13² - π × 3²

  = π(169 - 9) = 160π cm² ≈ 502.65 cm² ( to 2 dec. places )

5 0
3 years ago
Read 2 more answers
Sergio ate 3.5 cookies. Each cookie contained 5.7 grams of sugar. How many grams of sugar did Sergio eat?
FrozenT [24]
I’ll get it correct here :)

He ate 19.95 grams of sugar.

3.5 x 5.7 = 19.95
5 0
3 years ago
Help anyone please??
dybincka [34]

Answer:

1.

Collinear points mean they are on the same line. That leaves us with answer d. F, E, G

2.

In this case, the intersection of the 2 planes is a line. 2 points both planes contain are B and C, so the intersection can be named as answer b: Line BC

3.

2 points define a line, so therefore the answer to the question is answer b. 1

Hoped this helped. If it did, could you please consider giving me a brainliest? :)

6 0
3 years ago
A Web music store offers two versions of a popular song. The size of the standard version is 2.4 megabytes (MB). The size of the
Margarita [4]

Answer:

880 high-quality version

Step-by-step explanation:

I think the below is your full question:

<em>A Web music store offers two versions of a popular song. The size of the standard version is 2.1megabytes (MB). The size of the high-quality version is 4.5 MB. Yesterday, there were 1290 downloads of the song, for a total download size of 4821 MB. How many downloads of the high-quality version were there?</em>

Here is my answer:

Let x is the number of high-quality version

So the number of standard version= 1290 - x

We also know:  total download size of 4821 MB. which means:

4.5x + 2.1(1290-x) = 4821

<=> 4.5x+2709-2.1x=4821

<=> 2.4x=2112

<=> x=880

So there were 880 high-quality version

5 0
3 years ago
Read 2 more answers
Please help with number 4
Scilla [17]

Answer:

B) 16

Step-by-step explanation:

5 tickets = $15

15/5=3

1 ticket = $3

48/3 = 16

16 tickets for $48

3 0
3 years ago
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