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3 years ago

HELPPP ASAPPPPP MARKING BRAINLIEST JUST 14

Mathematics

1 answer:

My name is Ann [436]3 years ago

4 0

8x-6 is what I’m looking for. Its d.

The answer is d its also 8x-6 it matches and is equivalent.

Hope this helps, have a wonderful day ❣️

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Simplify equation (4 3i)(1 2i)

MrRa [10]

1 times 4 =4 then 5i
Equation:
5i + 4

3 0

3 years ago

It is believed that 3/4 of our dreams involve people that we know. Write an expression to describe the number of dreams that fea

professor190 [17]

3/4 of dreams = 3/4 of 'd'

The expression is $\frac{3}{4}d$

When d = 28
Number of dreams = $\frac{3}{4}(28)= \frac{3*28}{4}=21$

Answer: 21 dreams

6 0

3 years ago

Please help me .....

faltersainse [42]

Answer:

150 feet of flowers would be planted along side C

$a=5400$

Step-by-step explanation:

Use the pythagorean theorem to find the length of side C

$a^2+b^2=c^2$

Input the corresponding numbers into the formula

$90^2+120^2=c^2$

$c^2=22500$

$c = \sqrt{22500} \\ c=150$

150 feet of flowers would be planted along side C

To find the area multiply the base and height together, and divide the total by two

$a = \frac{bh}{2}$

$a = \frac{90 * 120}{2} \\ a=5400$

6 0

3 years ago

Read 2 more answers

12n²-15nz³<br><br> j7yh6tg5rg6tg7h65t

raketka [301]

Answer:

j7yh6tg5rg6tg7h65t

Step-by-step explanation:

need thanks and make me brainiest if it helps you

7 0

3 years ago

Read 2 more answers

Question 21 pts

Pachacha [2.7K]

Answer:

x = -2 or x = -6 or x = sqrt(5) or x = -sqrt(5)

Step-by-step explanation:

Solve for x:

x^4 + 8 x^3 + 7 x^2 - 40 x - 60 = 0

The left hand side factors into a product with three terms:

(x + 2) (x + 6) (x^2 - 5) = 0

Split into three equations:

x + 2 = 0 or x + 6 = 0 or x^2 - 5 = 0

Subtract 2 from both sides:

x = -2 or x + 6 = 0 or x^2 - 5 = 0

Subtract 6 from both sides:

x = -2 or x = -6 or x^2 - 5 = 0

Add 5 to both sides:

x = -2 or x = -6 or x^2 = 5

Take the square root of both sides:

Answer: x = -2 or x = -6 or x = sqrt(5) or x = -sqrt(5)

8 0

3 years ago