Math Help? 10 points.

Answers

Answer 1

Answer: Hello,

Answer B

the LCD of the fractions or the LCM of the denominators is
2*5*19*x^4y² (all factors with the most exponent.)
==> 190 x^4 y²

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A cup of brewed tea has 54 milligrams less caffeine than a cup of brewed coffee. If a cup of tea has 66 milligrams of caffeine, how much caffeine is in a cup of coffee? Write this problem in an equation.

Answers

Answer:

There is 120 milligrams of caffeine in a cup of coffee.

Step-by-step explanation:

A cup of brewed tea has 54 milligrams less caffeine than a cup of brewed coffee. A cup of tea has 66 milligrams of caffeine.

Let the amount of caffeine in a cup of coffee be = x

In the equation form, we can denote this as:

$66=x-54$

Solving for x

$x=66+54$

x = 120

Therefore, there is 120 milligrams of caffeine in a cup of coffee.

x-54= 66 x being the amount of caffeine in the cup of coffee.

A youth group has a yard sale to raise money for a charity. The group earns $800 but decides to put its money in thebank for a while. Calculate the amount of money the group will have given the following scenarios:
c. If the youth group needs the money quickly, which is the better choice? Why?

Answers

Answer: A) $896 b) $927.42 c) Cool bank

Step-by-step explanation:

Cool bank Simple interest is 4% and the youth group leaves the money for 3 years. Therefore,

$800 x (4/100) x (3) = $96 (Interest gotten)

Therefore total funds = $800 + $86 = $896 in total.

Hot bank simple interest is 3% and youth group leaves the money for 5 years. The fore

$800 (1.03)^5 = $927.42

If the youth needs the money quickly, cool bank should be perfect because the bank pays higher interest rate than hot bank. Hot bank rates is better for a longer period of time due to compounding of interest

Nafeesa graphed a line with a slope of 5 and a y-intercept of (0,-2) A. Find an equation for her line.
B. Find the value of x when y=0

Answers

In this question , it is given that slope of 5 and a y-intercept of (0,-2) .

Now we have to check out the equation of the line that we are gonna use here.

Here we use the slope intercept form, which is

$y = mx + b$

where m is the slope , which is 5 here and y intercept is b , which is -2 here.

Substituting these values in the equation, we will get

$y=5x-2$

Part b .

Now we have to substitute 0 for y, and find the value of x, that is

$0 = 5x-2\n5x=2\nx = (2)/(5)$

Solve for x: 4 = (–8) +3x show your work

Answers

4 = (-8) + 3x

Firstly, you can rearrange the equation to make it easier to read:
3x - 8 = 4

Add 8 on both sides to isolate the x:
3x = 12

Divide both sides by 3:
x = 4

$4.30 makeup; 40% discount; 6% tax

Answers

4.30 × (0.40)= d (what the discount is, but not money owed) subtract that from original 4.30-d=b. then add 0.06 of 4.30 to b.

Answer this question please!

Answers

Answer:

I believe the answer is +1.4 as it is highlighted on the number line and -1.4 and +1.4 cancel out each other

Step-by-step explanation:

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