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irina1246 [14]
3 years ago
13

What two numbers multiply to make 6 and also add to make 8

Mathematics
1 answer:
alina1380 [7]3 years ago
3 0
*This is an answer I found elsewhere on Brainly.*

(4+√10)(4-√10)

=16-4√10+4√10-10

=6

------------------------------

(4+√10)+(4-√10)

=4+√10+4-√10

=8

----------------------------

The numbers are:

4+√10, and 4-√10
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7x +2y = 24<br> 8x+2y= 30<br> What is x and y
Liula [17]

Answer:

x = 6

y = -9

Step-by-step explanation:

we have:

7x +2y = 24    equation 1

8x+2y= 30     equation 2

using equation 2 we have:

8x = 30 -2y

x=\frac{30-2y}{8}  equation 3

using equation 3 in equation 1 we have:

7(\frac{30-2y}{8})+2y = 24

\frac{210}{8} - \frac{14y}{8} +2y =24\\\\\frac{1}{4}y = -\frac{18}{8}  \\\\y=-\frac{18}{8} * 4\\\\y=-9

so we have:

x=\frac{30-2(-9)}{8}

x=\frac{30+18}{8}

x=6

7 0
3 years ago
Read 2 more answers
The quantity of sugar and milk in each cup of tea can be represented as an ordered pair.
evablogger [386]

Answer:   Sugar example=4  

milk example=5

4:5 =tea

Step-by-step explanation:

4 0
3 years ago
John swims 5/12 of a mile in 3/8 of an hour what distance in miles does John swim in an hour
Setler79 [48]

Answer:

1.1 mph

Step-by-step explanation:

Step one:

John swims a distance of  5/12 miles

time taken = 3/8 of an hour

Required

The speed with which John swims

Step two:

speed= distance/time

substituting we have

speed= 5/12/3/8

multiply the numerator by the inverse of the denominator

speed= 5/12*8/3

speed= 40/36

speed= 1.1 mph

4 0
3 years ago
quadratic function has x intercepts of (0,0) and (10,0) what is the x value of the minimum of the parabola explain how you know
MakcuM [25]

ANSWER

x=5

EXPLANATION

The given quadratic function has x intercepts of (0,0) and (10,0) .

The x-value of the minimum point lies on the axis of symmetry of this graph.

The axis of symmetry is the midline of the x-intercepts

x =  \frac{0 + 10}{2}

The x-value of the minimum point is

x = 5

6 0
3 years ago
What is the product?<br> (6r-1)(-88-3)
8090 [49]

(6r-1)(-88-3)

Multiply the two brackets together

(6r)(-88)=-528r

(6r)(-3)=18r

(-1)(-88)=88

(-1)(-3)=3

-528r-18r+88+3 ( combine like terms)

Answer: -546r+91

4 0
3 years ago
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