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Sergeeva-Olga [200]
3 years ago
7

Four ninths plus five sixths

Mathematics
2 answers:
disa [49]3 years ago
7 0

Answer:

69/54

Step-by-step explanation:

We can't add two fractions with different denominators (the bottom number). So you need to get a common denominator - both bottom numbers need to match. To do this, you'll multiply the denominators times each other... but the numerators have to change, too. They get multiplied by the other term's denominator.

So we multiply 4 by 6, and get 24, then we multiply 9 by 6 and get 54.

4/9 times 6

Do the same for the second term. We multiply 5 by 9, and get 45, then multiply 9 by 6 and get 54.

5/6 times 9

Since our denominators match, we can add the numerators.

24 + 45 = 69

So the answer is: 69/54

sergey [27]3 years ago
4 0

Answer:

1 5/18

one and five eighteenths  

Step-by-step explanation:

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What does 3e-6 mean on the calculator?
Ostrovityanka [42]

it means 3 and then "e" means is up of the 3so its 3↖-6

3 0
3 years ago
Given triangle PRS is congruent to triangle CFH, find the values of x, y, and z.
Mashutka [201]

Answer:

x = 23

y = 7

z = 11

Step-by-step explanation:

Since ∆PRS ≅ ∆CFH, therefore,

m<R = m<F

13y - 1 = 90° (substitution)

Add 1 to both sides

13y - 1 + 1 = 90 + 1

13y = 91

Divide both sides by 13

13y/13 = 91/13

y = 7

Since ∆PRS ≅ ∆CFH, therefore,

PS = CH

2x - 7 = 39 (substitution)

Add 7 to both sides

2x - 7 + 7 = 39 + 7

2x = 46

Divide both sides by 2

2x/2 = 46/2

x = 23

Since ∆PRS ≅ ∆CFH, therefore,

m<S = m<H

Find m<S

m<S = 180 - (m<P + m<R) (sum of ∆)

m<S = 180 - (28 + (13y - 1)) (substitution)

Plug in the value of y

m<S = 180 - (28 + (13)(7) - 1))

m<S = 180 - (28 + 91 - 1)

m<S = 180 - 118

m<S = 62°

Therefore, since m<S = m<H,

62° = 6z - 4 (substitution)

Add 4 to both sides

62 + 4 = 6z - 4 + 4

66 = 6z

Divide both sides by 6

66/6 = 6z/6

11 = z

7 0
3 years ago
Find the value of -7 -8-(-8) -7
kkurt [141]
The answer is 1 bro one
3 0
3 years ago
Read 2 more answers
Amy has some toy brick
lisabon 2012 [21]

Answer:

Amy has 7 bricks.

Step-by-step explanation:

Sorry but I cannot draw on this. I would if I could.

5 0
3 years ago
Find n for the sequence for which an = 37, a1 = -13 and d = 5.
Papessa [141]
The equation for a sequence is
an=a1+(n-1)d
Replace the variable with what you were given you get
37=-13+(n-1)5
Simplify
37=-13+5n-5
Combine like terms
37=5n-18
Reverse operations
55=5n
Simplify
n=11
5 0
3 years ago
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