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ValentinkaMS [17]
1 year ago
12

Pls answer clearly , just the answer i dont need explenation:) please <3

Mathematics
1 answer:
lawyer [7]1 year ago
5 0

Answer:

option D

Step-by-step explanation:

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Nine yards of ribbon are cut into 8 equal pieces what is the length of each piece of ribbon. Write a division expression to repr
PSYCHO15rus [73]

Answer:

x=\frac{9}{8}\ yards

x=1.125\ yards

Step-by-step explanation:

Let's call x the length of each piece in yards

If the ribbon is cut into 8 equal pieces then the sum of the pieces is:

x+x+x+x+x+x+x+x=8x

Then:

8x=9\ yards

Now we solve the equation for x

8x=9\ yards

Divide both sides of equality by 8

\frac{8}{8}x=\frac{9}{8}\ yards

x=\frac{9}{8}\ yards

So the length of each piece is \frac{9}{8} of a yard.

This is: 1.125 yards

6 0
3 years ago
-3/4 + 1/5 find each sum with out using a number line
Maru [420]
Might be terribly wrong since it's been a while that I've done fractions, but I got -11/20. Hope this helps!!!
8 0
3 years ago
A software company keeps a ratio of 2.5 testers to every 10 software developers. If the company hires 20 developer in one year,
pochemuha

Answer:

They will need to hire 5 testers.

Step-by-step explanation:

This question can be solved using a simple rule of three.

For each 10 developers, we need 2.5 testers. So how many testers are needed for 20 developers?

10 developers - 2.5 testers

20 developers - x testes

10x = 20*2.5

10x = 50

x = \frac{50}{10}

x = 5

They will need to hire 5 testers.

6 0
3 years ago
Read 2 more answers
SinA=(7/25), determine CosA and TanA exactly
bixtya [17]

Answer:

Cos A = 24/25   &  Tan A = 7/24

Step-by-step explanation:

See the attached figure.

Construct a right triangle and sign one angle as A

So, Sin A = opposite/hypotenuse = 7/25

∴hypotenuse = 25 and opposite = 7

∴ adjacent = √(25² - 7² ) = √576 = 24

∴ Cos A = adjacent/hypotenuse = 24/25

And

Tan A = opposite/adjacent = 7/24

5 0
2 years ago
6, 1, -4, -9,...
kykrilka [37]
Texaschic nailed it when saying that it's arithmetic

The recursive way to write this is to say

a_1 = 6
a_n = a_{n-1} - 5

which tells us "start at 6 and each time subtract off 5"

The a_n portion is the nth term while a_{n-1} is the term just before the nth term
3 0
3 years ago
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