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crimeas [40]
3 years ago
7

Select three ratios that are equivalent to 8:20 Choose 3 answers: (A. 1:4

Mathematics
1 answer:
denpristay [2]3 years ago
8 0

Answer:

8:20

divide by 2

B. 4:10

multiply by 3

C. 24: 60

divide by 4

D. 2:5

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(a) If the breadth of rectangle in one-third of its length and perimeter is 80 cm, find the length and breadth of rectangle. ​
Gwar [14]

Answer:

Length = 30m and Breadth = 10m  

Step-by-step explanation:  

Given that :  

Perimeter = 80 m ;  

Breadth = 1/3 of Length ; Length = l  

We know that :  

Perimeter of rectangle = 2 ( L + B ).  

80 = 2 ( L + 1/3 L )  

80/2 = 4/3 L.  

40 = 4/3 L  

3/4 × 40 = L.  

3 × 10 = L.  

L = 30m.  

Breadth = 1/3 of Length.  

Breadth = 1/3 × 30.  

Breadth = 10m.

5 0
2 years ago
Read 2 more answers
Write the equation of the line from the given information. through (-3,5) & (4,-2)
Masteriza [31]

Answer:

y = -x + 2

Step-by-step explanation:

(-3,5) and (4,-2)

Slope: (-2-5)/(4 - - 3) = -7/7 = -1

y-intercept= -2 - (-1)(4) = -2 + 4 = 2

7 0
2 years ago
Ryan deposited $100 into his bank account. Later he withdrew $75 from the account. Write an expression that represents the chang
Novay_Z [31]

hello again!

so this is the answer!

100 - 75 = 25

So he starts off with 100 dollars and takes away 75, leaving him with 25

i hope this helped

6 0
3 years ago
3x+9<br> -------- how do I solve this?<br> 4x+12
Reptile [31]
Put common terms in evidence and simplify:

\boxed{\frac{3x+9}{4x+12}=\frac{3(x+3)}{4(x+3)}=\frac{3}{4}}
5 0
3 years ago
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