Please someone help me. Im giving brainliest!

Mathematics

2 answers:

ArbitrLikvidat [17]2 years ago

5 0

Answer:

To solve the equation: First, subtract 9 from both sides of the equation. Second, divide both sides of the equation by -10

Step-by-step explanation:

We are subtracting from both sides because we need to do the inverse, and the inverse of adding 9 is subtracting it.

Same with the -10. We need to do the inverse, and the inverse of multiplying by -10 is dividing by it.

Arada [10]2 years ago

4 0

Answer:

First: Subtract 9 from both sides of the equation. Second: Divide both sides of the equation by -10

Step-by-step explanation:

because 9 is positive, to get rid of it you need to subtract it.

after than, you would get -10x = -30

you would then divide it by -10 because you need to get x by itself

x = -3

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Decrease 18•4 in the ratio 3:8

andrezito [222]

Answer:

6.9

Step-by-step explanation:

Since you are supposed to decrease the number in the ratio 3:8 or 3/8 you take the small number that is 3 to be the numerator and 8 to be the denominator then multiply it by 18.4.

That is 18.4×3:8= 184/10×3/8=6.9

So to decrease a number you multiply it with the smallest number as the numerator and the big number as the denominator

To increase a number you multiply it with the big number as the numerator and the small number to be the denominator

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8 0

3 years ago

Please help me solve this 200(20)^x>500x+400

s2008m [1.1K]

Hi there!

200(20)^x > 500x + 400

Let's find the critical points of the inequality

200(20^x) = 500x + 400

Now we can divide both sides by 200

(200(20^x))/200 = (500x + 400)/200

20x^x = 5/2 x + 2

There are no critical points.

Thus,

The answer is: No solution

As always, it is my pleasure to help students like you.

6 0

3 years ago

In a certain population of 1000 fruit flies, 640 have red eyes while the remainder has sepia eyes. The sepia eye trait is recess

Marysya12 [62]

Answer:

b. Determine the number of homozygous dominant alleles for red eyes

Step-by-step explanation:

8 0

3 years ago

Get brainly plus !!!!!!!!!!!!!!!!

valentina_108 [34]

Not sure what you mean but i’m replying so i can get some point yk