3 years ago

If the product of two numbers is 21 and the sum is 10 what are the two numbers

Mathematics

2 answers:

egoroff_w [7]3 years ago

8 0

3*7=21
3+7=10
So the two numbers are 3 and 7

Hope this helped!!! :D

nignag [31]3 years ago

3 0

3 and 7 are the two numbers.

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Help on this please

eimsori [14]

Answer:

Opening: Opens upwards

Axis of Symmetry: -7/2

Vertex: (-7/2, -81/4)

X - intercepts: (1, 0) and (-8, 0)

Y - intercept: (0, -8)

Step-by-step explanation:

Opening: 'a' is greater than zero

Axis of Symmetry:

$\frac{-7}{2(1)} =\frac{-7}{2}$

Vertex:

$y= (\frac{-7}{2})^{2} +7(\frac{-7}{2}) -8\\y= (\frac{49}{4}) +(\frac{-49}{2}) -8\\y= \frac{49}{4} +\frac{-98}{4} -8\\y=\frac{-49}{4}-8\\y = \frac{-81}{4}$

X - intercepts:

(x-1)(x+8)

x = 1 and x = -8

Y - intercept: (0, -8)

$y= 0^{2} +7(0) -8\\\\y= -8\\$

5 0

3 years ago

Paul invited 221 people to a party. All but 33 people accepted. All but 4 of those who accepted actually attended. Half of the p

poizon [28]

Answer: 426

Step-by-step explanation:

221 - 33 = 288

288 - 4 = 284

284 / 2 = 142

284 + 142 = 426

6 0

3 years ago

Bob had three carries of 8 yards each and 5 carries of 6 yards each in a recent football game. what was rushing average(average

Sedaia [141]

3 carries of 8 yds.....3 * 8 = 24 yds
5 carries of 6 yds.....5 * 6 = 30 yds

so we have a total of 8 carries for 54 yds..

54/8 = 6.75 <== average yds per carry

8 0

3 years ago

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sdas [7]

3*3=9

3 *-8i = -24i

8i *3 =24i

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-24i + 24i =0

9+64= 73

Answer 73

4 0

3 years ago

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Which of the following describes the graph of y=[x-2]?

kow [346]

Answer: