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arlik [135]
3 years ago
8

3times y=30 solve it

Mathematics
2 answers:
tester [92]3 years ago
5 0
The awnser is 90 multiplication 3times the yehich is 30 3times which equals 90
ZanzabumX [31]3 years ago
4 0
The answer is 90
you just multiply 3x30
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3.) Your car cost $42,500 when you purchased it in 2015. The value of the car
Dmitrij [34]

So, 42500 x .85 ^ 7 - 1

13623.52 is what i got

8 0
4 years ago
Two step equation-2x+15=-9​
Marina CMI [18]

Answer:

x =12​

Step-by-step explanation:

-2x+15=-9​

Subtract 15 from each side

-2x+15-15=-9-15

-2x = -24

Divide by -2

-2x/-2 = -24/-2

x =12​

6 0
3 years ago
3y+4y+6=20 can someone please help me with this
Xelga [282]

3y+4y+6=20

(3y+4y)+(6)=20

(Combine Like Terms)

7y+6=20

7y+6=20

Subtract 6 from both sides.

7y + 6 − 6 = 20 − 6

7y = 14

Divide both sides by 7.

7y/7 = 14/7

y = 2

7 0
3 years ago
How many real number solutions does this have 3x^2 + 8x +7=0
kompoz [17]

Answer:

  zero

Step-by-step explanation:

The answer to that question is best found by looking at the value of the <em>discriminant</em>.

For quadratic ax^2 +bx +c = 0, the value of the discriminant is ...

  d = b^2 -4ac

Here, you have a=3, b=8, c=7, so the discriminant is ...

  d = 8^2 -4(3)(7) = 64 -84 = -20

When the discriminant is negative, both solutions are complex (not real).

There are zero real solutions to this equation.

5 0
4 years ago
A hot water tap filled a bath in 7 1/2 minutes,while a cold water tap fills it in 5 minutes,how long will it take to fill the ba
Kisachek [45]

Answer:

3 minutes

Step-by-step explanation:

Let's say that the bathtub is 15L

It would take 7.5 mins to fill 15L

15L/7.5 = 2L per minute

The other tap would take 5 minutes to fill 15L

15L/5 = 3L per minute

3L per minute + 2L per minute = 5L per minute

15L/5L per min = 3 minutes

Sorry for the delay. Accidentally pressed the answer button without the answer. Hope I helped.

4 0
3 years ago
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