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uysha [10]
3 years ago
14

What is the value of x ?!

Mathematics
1 answer:
puteri [66]3 years ago
3 0

Answer:

4

Step-by-step explanation:

2x - 1 = 7

2x = 8

x = 4

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at the zoom,the ratio of monkeys to gorrillas is 5:2 if there were 20 monkeys how many gorrilas would there be?
Umnica [9.8K]

8 gorrilas

Explanation:

The ratio of monkeys to gorrila = 5:2

This means there are 5 monkeys for every 2 gorrilas

when there are 20 monkeys,

let the number of gorrilas = x

5 monkeys = 2 gorrilas

20 monkeys = x

cross multiply:

5(x) = 20(2)

5x = 40

divide both sides by 5:

5x/5 = 40/5

x = 8

Hence, if there were 20 monkeys, we would have 8 gorrilas.

5 0
1 year ago
Leo has $4.80 in dimes a d quarters he has 6 more dimes than quarters how many quarters does he have
Kryger [21]

Answer:

Step-by-step explanation:

he has 4.80 in dimes and quarters....dimes (d) are worth 0.10 and quarters (q) are worth 0.25

0.10d + 0.25q = 4.80

he has 6 more dimes then quarters

d = q + 6

====================

d = q + 6...so we sub q + 6 in for d, back into the other equation

0.10(q + 6) + 0.25q = 4.80

0.10q + 0.60 + 0.25q = 4.80

0.35q = 4.80 - 0.60

0.35q = 4.20

q = 4.20 / 0.35

q = 12 <====== there is 12 quarters

d = q + 6

d = 12 + 6

d = 18 <===== there is 18 dimes

6 0
3 years ago
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Which of the following is the line of symmetry for the figure shown below?
12345 [234]
Line C is the correct line of symmetry
6 0
2 years ago
The formula v=u+at is used to find speed of an object. find v if u=6,a=2 and t=5​
s2008m [1.1K]

Answer:

v = 16

Step-by-step explanation:

a is 2 and t is 5, so 2*5 = 10

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3 years ago
What is the domain of the function on the graph
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The domain of a function refers to the set of all possible inputs (values of x) for a function.

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