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lapo4ka [179]
3 years ago
7

Find the roots of the equation below. 7x2 + 3 = 8x

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
6 0

Answer:

x=4+-isqrt(5/7

Step-by-step explanation:

Ne4ueva [31]3 years ago
4 0
I hope this helps you

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NNADVOKAT [17]
Times the sides and add them
3 0
3 years ago
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Luca sells muffins and juice boxes at the
rosijanka [135]

Answer:

1.5m+1.25j

Step-by-step explanation:

m equals the number of muffins sold, and because each muffin sells for $1.50, 1.5m represents the income made from the muffins.

Same thing with the juice boxes, j equals the number of juice boxes sold, and because each juice box sells for $1.25, 1.25j represents the income made from the juice boxes.

Add the income from both of them to get the total income, and you get 1.5m+1.25j.

8 0
2 years ago
A ship leaves post and sails 12 km west, then 19 km north.approximately how far is the ship from the port
Anna71 [15]

To do this problem, you need to use the Pythagorean thermion I think.

Here is what I got as an answer 

22.5 km

4 0
3 years ago
A) Write 600 as the product of prime factors.<br> Give your answer in index form.
dlinn [17]

Answer:

3 × 5 × 5 × 2 × 2 × 2

Step-by-step explanation:

Make a factor tree.

But let me explain the above to prove it's correct.

3 × 5 = 15

15 × 5 = 75

75 × 2 = 150

150 × 2 = 300

300 × 2 = 600

Therefore 600 as a product of prime factors is: <u>3 × 5 × 5 × 2 × 2 × 2</u>

4 0
3 years ago
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Solve this system of linear equations.separate the x- and y-value with a comma. -6x=-4-y -7x=-22+y.
scZoUnD [109]

Answer:

(2,8)

Step-by-step explanation:

Add them together to get rid of the y.

-6x = -4 - y

-7x = -22 + y

=

-13x = -26

Then solve for x.

-13x/-13 = -26/-13

x = 2

Now plug in the x value into either equation and solve for y.

-7(2) = -22 + y

-14 = -22 + y

-14 + 22 = -22 + 22 + y

8 = y

So...

x = 2

y = 8

(2,8)

8 0
3 years ago
Read 2 more answers
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