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3 years ago

Factor this X^2+10+9=0

Mathematics

1 answer:

Art [367]3 years ago

8 0

To factor this quadratic equation into double brackets, you need to find two numbers that add together to equal 10, but also multiply to give you 9. These two numbers can be identified as 1 and 9, which will be the numbers you place in your parentheses as follows:
(x+1)(x+9)

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SIZIF [17.4K]

38. Is the answer. Go go go!

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3 years ago

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Cabe nur

JulsSmile [24]

Answer:

22, 25, 28, 31

Step-by-step explanation:

The question is mixed up. The only clear question is:

Given:

4, 7, 10, 13, 16, 19

Required

Write the next 4

Notice that the rule of the above sequence is to "add 3". So, the next 4 numbers is gotten by adding 3 to the previous number on the sequence.

The next 4 are:

$19 + 3 = 22$

$22 + 3 = 25$

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3 years ago

Nora and Eli are making homemade spring rolls for a party. Nora can make 8 spring rolls in 10 minutes. Eli can make 10 spring ro

devlian [24]

Eli will finish first.

Use 8/10 and 10/12. This represents how many spring rolls over how many minutes. Make your equations like this: 8/10 = 40/x and 10/12 = 40/x. Find x, which will give you the minutes it takes them to make 40 rolls.

You get x = 50 for the first one and x = 48 for the second. Nora makes 40 rolls in 50 minutes, and Eli makes 40 rolls in 48 minutes. Eli is faster.

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3 years ago

One angle of a right triangle measures 65°. What is the measure of the other acute angle?

kvasek [131]

answer:

25°

explanation:

triangle total: 180°

right angle: 90°

90 + 65 = 155

180 - 155 = 25

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3 years ago

6r + 7 = 13 + 7r what is r

kumpel [21]

Answer:

6r+7=13+7r

6r+7=7r+13

6r+7−7r=7r+13−7r

−r+7=13

−r+7−7=13−7

−r=6

$\frac{-r}{-1}$ = $\frac{6}{-1}$

r=−6

Step-by-step explanation:

:) This is the answer

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