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Tresset [83]
3 years ago
5

HELP ME FOR A BRAINLIEST BA3

Mathematics
2 answers:
LiRa [457]3 years ago
8 0

Answer:

it should be -65. because I did this already

antoniya [11.8K]3 years ago
3 0

Answer:

x=3, y=-3

Step-by-step explanation:

pluging in y we get -3x+15=6, or -3x=-9

this means x is 3

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Two negative integers have a sum of -13 and a product of 42. What are the integers?
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These two integers are -6 and -7
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What is the standard form?
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Find the number of integral solutions of x+y +z = 12, where −3 ≤ x ≤ 4, 2 ≤ y ≤ 11, and<br> z ≥ 3.
SashulF [63]

There are 59 integer solutions

Such questions are best solved by writing cases and calculating the total number of cases. So beginning with

1)  x = -3. The possible combinations are as follows:-

-3 2 13

-3 3 12

-3 4 11

-3 5 10

-3 6 9

-3 7 8

-3 8 7

-3 9 6

-3 10 5

-3 11 4

10 combinations

2) x = -2

-2 2 12

through

-2 11 3

10 combinations

3) x = -1

-1 2 11

through

-1 10 3

9 combinations

4) x = 0

0 2 10

through

0 9 3

8 combinations

as we can see from the pattern at x =1  we get 7 combinations, at x =2  we get 6 combinations, at x=3 we get 5 combinations and at x =4  we get 5 combinations.

Thus total number of combinations 4+5+6+7+8+9+10+10 = 59 integer solution.

Learn more about combinations here :

brainly.com/question/13387529

#SPJ1

5 0
2 years ago
Blueberries cost $4.00 per pound. How many pounds of blueberries can you buy for $1.00?
Oxana [17]

Answer:

1/4 of a pound

Step-by-step explanation:

Blueberries are 4 dollars a pound you have 1 dollar

you can by 1/4 of a pound

5 0
3 years ago
Read 2 more answers
A window cleaning service charges under $75 to clean all of the windows of a house. Write an inequality to represent the amount
Alona [7]

Answer:

C < $75.

Step-by-step explanation:

Let C be the charge of a window cleaning service, that cleans all the windows of the house.

Since it charges less than $75. this means

C < $75.

So, this is the required inequality equation.

8 0
3 years ago
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