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Natasha_Volkova [10]
4 years ago
10

- a - 5 + 12a - 9 + 7

Mathematics
1 answer:
11Alexandr11 [23.1K]4 years ago
5 0
The answer is 11a -7 don’t go on brainly for math problems go on photo math. On photo math all you have to do is take a pic of the equation and it will answer it to you right away.
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PLZZZ HELP WILL GIVE BRAINN
Hatshy [7]

Answer:

Whole numbers: 56

Rational numbers: 1/3

Integer: -5

Irrational numbers: 1.17513698

Natural numbers: 0

4 0
3 years ago
The ratio of cars to trucks is 9:4. The ratio of trucks to SUV's is 12:21. There are 54 cars.
Elenna [48]

Answer:

Number of trucks = 24

Number of SUVs = 24

Step-by-step explanation:

A)

The ratio of cars to trucks is 9:4

The total ratio of cars to trucks is

9+4 = 13

Let x = sum of cars and trucks.

There are 54 cars. Therefore,

x = 54 + t trucks

Number of cars = ratio of cars/ total ratio × sum of cars and trucks. This means,

54 = 9/13 × x

9x / 13 = 54

9x = 13 × 54

9x = 702

x = 702 / 9 = 78

x = 54 + t trucks = number of trucks = 78 = 54 + t trucks

t trucks = 78 - 54 = 24

Number of trucks = 24

B)

The ratio of trucks to SUVs is 12:21

The total ratio of cars to trucks is

12 + 21 = 33

Let y = sum of trucks and SUVs

There are 24 trucks. Therefore,

x = 24 + s SUVs

Number of trucks = ratio of trucks / total ratio × sum of trucks and SUVs. This means,

24 = 12 / 33 × y

12y / 33 = 24

12y = 24 × 33

12y = 792

y = 792 / 12 = 66

y = 24 + s SUVs

66 = 24 + s SUVs

s SUVs = 66 - 24 = 42

Number of SUVs = 24

7 0
4 years ago
Which inequality describes the graph?
Mandarinka [93]

Answer:

1 describe the inequality graph

3 0
3 years ago
The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. Last year there were 63 inches of s
padilas [110]
This is 2.5 standard deviations from the mean.

We find this by subtracting the mean from our value, and dividing by the standard deviation:
(63-38)/10 = 25/10 = 2.5
8 0
4 years ago
Penelope has an 8-ounced flavoured water. She drinks 2 ounces .
Nataliya [291]
She now has 6 oz. if that’s what you’re asking. If not please clarify
5 0
3 years ago
Read 2 more answers
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