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Nadya [2.5K]
3 years ago
11

Ramauri is thinking of a mystery number. He cuts it in half then takes away 9. The result is -5. What is the mystery number

Mathematics
1 answer:
MaRussiya [10]3 years ago
7 0

Answer:

8

Step-by-step explanation:

mystery number= x

he divdes x by 2 and then subtracts 9 and gets -5. reverse the order to find x.

-5+9 which is 4 times 2 which is 8. x is 8

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Y = (x + 1)(x − 1)(x − 3)
alisha [4.7K]

Answer:

\huge\colorbox{violet}{✏﹏ \: ᶛɲƧཡэʀ \: }

y = (x + 1) (x - 1) (x - 3)

Use the distributive property to multiply x+1 by x-1 and combine like terms.

y = (x² - 1) (x - 3)

Use the distributive property to multiply x² - 1 by x - 3.

<u>y = x³ - 3x² - x + 3.</u>

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

\huge\blue{ \mid{ \underline{ \overline{ \tt ꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐ }} \mid}}

8 0
3 years ago
Pls help i will give brainliest
Novosadov [1.4K]
<h3>Answer:   -a > -b</h3>

Explanation:

Let's go over an example.

We'll have a = 1 and b = 7 which makes a < b true. Feel free to pick your own favorite pair of numbers such that b is larger than 'a'.

The corresponding opposites are:  -a = -1 and -b = -7

The relationship flips because the opposites of each number are flipped. So instead of saying -a < -b, we have -a > -b

Sure enough, -1 > -7 is a true statement. Use a number line to see this. I recommend a vertical number line.

In short, going from a < b to -a > -b means we flip the signs of each term, and we flip the inequality sign as well.

4 0
2 years ago
Using the info given, solve for the missing value of the right triangle. Round each angle to the nearest degree, each length to
NeX [460]

Answer:

Step-by-step explanation:

The given triangle is a right angle triangle. The opposite side is given as 244 yards. The adjacent side is given as 119 yards. To determine the hypotenuse, we would apply Pythagoras theorem. It is expressed as

Hypotenuse^2 = opposite side^2 + adjacent side^2

Hypotenuse^2 = 244^2 + 119^2

Hypotenuse^2 = 59536 + 14161

Hypotenuse = √73697 = 271.5 yards.

cos θ = adjacent side/hypotenuse

cos θ = 119/271.5 = 0.4383

θ = Cos^-1(0.4383) = 64 degrees

The other angle would be

90 - 64 = 26 degrees

4 0
3 years ago
I need to know the answers to my math test. 25 points please answer correct answers
DENIUS [597]

Answer:

im doing the same thing need help too

Step-by-step explanation:

3 0
3 years ago
Jhons garden has a big planter that mensures 18 2/3 in by 8 5/6 in. What Is the area of Jhons planter
klemol [59]

Area of Jhons planter is 164.89 square inches

<em><u>Solution:</u></em>

Given that,

Jhons garden has a big planter that measures 18\frac{2}{3} in by 8 \frac{5}{6} inches

To find: area of Jhons planter

From given information,

\text{ length } = 18\frac{2}{3} = \frac{3 \times 18 + 2}{3} = \frac{56}{3} \text{ inches }

\text{ width } = 8\frac{5}{6} = \frac{6 \times 8 + 5}{6} = \frac{53}{6} \text{ inches }

The area of planter is given as:

area = length \times width

area = \frac{56}{3} \times \frac{53}{6} = \frac{2968}{18} = 164.89

Thus area of Jhons planter is 164.89 square inches

8 0
3 years ago
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