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riadik2000 [5.3K]
3 years ago
7

Plzzz help me it would mean a lot I willl mark you brainliest if you are right plz and ty ​

Mathematics
2 answers:
emmasim [6.3K]3 years ago
8 0

Answer:

45

Step-by-step explanation:

x÷3=15

=×*1/3=15

=x=15*3

x=45

gayaneshka [121]3 years ago
6 0

Answer:

15 x 3 = 45

So, x = 45

Pls mark the brainliest :)

Step-by-step explanation:

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Is (3,-2) a solution to the system below? How do you know?
cricket20 [7]

Step-by-step explanation:

you know by using the x and y coordinates of the point in the equations and see, if both equations are still true.

if yes, it was a solution, and if just only one is false, then it was not a solution.

(3, -2) in

y + 4x = 10

5x - y = 13

so,

-2 + 4×3 = 10

-2 + 12 = 10

10 = 10 true

5×3 - (-2) = 13

15 + 2 = 13

17 = 13 false

so, it was NOT a solution.

3 0
2 years ago
Have a free brainliesttttttttttttttttttt
lilavasa [31]
Ok me pls thank you so much you are a heavenly angel
7 0
3 years ago
Frank purchased a boat for $7,525. He made a down payment of $475. He applied for a six-year installment loan with an interest r
zhenek [66]

Answer:

$10,603.20

Step-by-step explanation:

You can calculate the simple interest of the loan using the formula:

I = prt, where I = interest, p = principal amount, r = interest rate and t = time.  Plugging in the values from the problem:

p = $7,050

r = 8.4% or 0.084

t = 6 years

I = (7050)(0.84)(6) = $3,553.20

To find the total cost of the boat, add the interest and the purchase price:

$7,525 + $3,553.20 = $11,078.20

8 0
3 years ago
If sample proportion is 0.476 and margin of error is given as 0.044 then find the respective confidence interval
torisob [31]

Answer:

Step-by-step explanation:

4 0
3 years ago
Plz help it was due last week :((((
vesna_86 [32]
Formula= (y2-y1)/ (x2-x1)

(-5 - -1) / (-2 - -4)
(-4) / (2) = -2
q8 is C

(-3 - -3) / (8 - 4)
(0) / (4) = 0
q12 is D
4 0
3 years ago
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