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lisov135 [29]
3 years ago
5

Evaluate 7×-2y for ×= 6 and y= 3

Mathematics
2 answers:
cestrela7 [59]3 years ago
4 0

Answer:

Step-by-step explanation:

7(6) - 2(3)

42 - 6 = 36

Stella [2.4K]3 years ago
4 0

Steps: first you want to plug in the numbers into the equation

7(6)-2(3)

Multiply the numbers.

42-6

Subtract the numbers.

Answer: 36

Hope this helps ʕ•ᴥ•ʔ

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Write an equation that is parallel to y=3x+5 and passes through the point (-4, -13)
Lelechka [254]

Answer:

y=3x+25

Step-by-step explanation:

For the equation y=3x+5, the slope is 3. Since the line will be parallel to it then this is the slope of the new line as well. Use the point-slope form to write the equation, then simplify and convert into the slope intercept form.

(y-13)=3(x--4)

y-13=3x+12

y=3x+25


8 0
3 years ago
Read 2 more answers
A tea that is 22% jasmine is blended with a tea that is 13% jasmine. How many pounds of the 22% jasmine tea are used to make 10l
tatiyna

Given

A tea that is 22% jasmine is blended with a tea that is 13% jasmine

Find out the how  many pounds of the 22% jasmine tea are used to make 10lb of tea that is 19.3% jasmine.

To proof

Let us assume that the a tea that is 22% jasmine is blended = a

Let us assume that the a tea that is 13% jasmine is blended = b

Total amount of tea made = 10lb

the equation be

a + b = 10

as given

jasmine tea are used to make 10lb of tea that is 19.3% jasmine.

write 22%  in the decimal form

= \frac{22}{100}

= 0.22

write 13%  in the decimal form

=\frac{13}{100}

= 0.13

write 19.3%  in the decimal form

=\frac{19.3}{100}

= 0.193

than the equation be

0.22a + 0.13b = 0.193 × 10

on simplify

22a + 13b = 193

two equation becomes

22a + 13b = 193 and a + b = 10

multiply a + b = 10 by 13 and subtracted from the 22a + 13b = 193

we get

22a - 13a + 13b -13b = 193 - 130

9a = 63

a = 7lb

put this value in the a + b = 10

we get

7 + b = 10

b = 3lb

Therefore the 22% jasmine tea are used to make 10lb of tea that is 19.3% jasmine is 7 lb .

Hence proved


4 0
3 years ago
NEED HELP QUCKILY PLZ HURRY
Romashka-Z-Leto [24]

Hello from MrBillDoesMath!

Answer:

35

Discussion:

Parallel lines cut by a transversal has corresponding  angles equal. . So the corresponding angles x and (3x-70) are equal. That is,

x = 3x - 70             => add 70 to both sides

x + 70 =  3x           => subtract x from both sides

70 = 3x - x = 2x    => divide both sides by 2

x = 70/2 = 35

which is the third choice

Thank you,

MrB

7 0
3 years ago
Read 2 more answers
If one leg of a right triangle is 6 cm long, and the other leg is 8 cm long, how long is the triangles hypotenuse?!!
nekit [7.7K]

Answer:

approximately 9

Step-by-step explanation:

6 squared (36) plus 8 squared (64) is 84, and the square root of that is about 9

3 0
3 years ago
Read 2 more answers
Using the quadratic formula to solve 4x^2-3x + 9=2x + 1 what are the values of x​
Alchen [17]

Answer:

x=5±√−103/8

Step-by-step explanation:

There's no real solutions

4x2−3x+9−(2x+1)=2x+1−(2x+1)

4x2−5x+8=0

x=−b±√b2−4ac/2a

x=−(−5)±√(−5)2−4(4)(8)/2(4)

x=5±√−103/8

8 0
3 years ago
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