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Ghella [55]
3 years ago
13

Solve by using the method of elimination(X and Y): 3x+4y=300

Mathematics
1 answer:
Ierofanga [76]3 years ago
6 0

Answer:

x=-4/3y+100

Y=-3/4x+75

Step-by-step explanation:

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Complete the following statement.<br><br> ___ (-9) = -10
g100num [7]
Answer:

-1

Explanation:

X - 9 = -10
+9 +9
——————
X = -1
3 0
3 years ago
Daisy purchases a gym membership.She pays a signup fee and a monthly fee off 13$.After 4 months, she has paid a total of$69.Use
bulgar [2K]

Answer:

The signup fee is $17

Step-by-step explanation:

we know that

The equation in point slope form is equal to

y-y1=m(x-x1)

where

m is the slope or unit rate of the linear equation

(x1,y1) is a ordered pair of the line

Let

x -----> the number of months

y -----> the total cost of a gym membership

In this problem we have

The slope of unit rate is equal to

m=\$13\ per\ month

The ordered pair is

(x1,y1)=(4,69)

substitute

y-69=13(x-4) ----> equation in point slope form

Convert to slope intercept form

y-69=13x-52

y=13x-52+69

y=13x+17 ---> equation in slope intercept form

The y-intercept is the signup fee (value of y when the value of x is equal to zero)

therefore

The signup fee is $17

4 0
3 years ago
I don't know how to help my sister with this please help
Orlov [11]
It’s 3/12 you just need to find common multiples
5 0
3 years ago
Which expression is equivalent to 5y^3/(5y)^-2<br><br> A.y^5<br> B.y^6<br> C.125y^3<br> D.125y^5
inn [45]

Answer:

A) Y^5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Seema deposited $800 in a saving account earning 2.88% compounded annually. To the nearest cent, how much will she have in 16 ye
ehidna [41]

Answer:

1260.04

Step-by-step explanation:

The formula for compound interest is:

A = P(1+\frac{r}{n})^{nt} where A is the final amount, P is the initial principal balance, r is the interest rate, n is the number of times interest applied per time period and t is the number of time periods elapsed. Since the deposit was compounded annually, just like the interest, we can omit the n in the equation.

Applying the formula to question:

800(1+\frac{2.88}{100})^{16} = 1260.04 (rounded off to nearest cent since it's money)

5 0
3 years ago
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