3 years ago

Solve the system.

Mathematics

1 answer:

Lisa [10]3 years ago

5 0

Answer:

(15, 8, 7 )

Step-by-step explanation:

x - y + z = 14 → (1)

y + z = 15 → (2)

z = 7 ← value of z is given

Substitute z = 7 into (2)

y + 7 = 15 ( subtract 7 from both sides )

y = 8

Substitute y = 8, z = 7 into (1)

x - 8 + 7 = 14

x - 1 = 14 ( add 1 to both sides )

x = 15

solution is (15, 8, 7 )

You might be interested in

What is the slope of the line through (-9,6) and (3,-9)

mrs_skeptik [129]

Answer: the slope is 5/4
step by step explanation: -9-6=-15 3- -9=12
15/12= 5/4

8 0

3 years ago

F(3) = V22<br> g(x) = 2x + 1<br> Find<br> (1) (a). Include any restrictions on the domain.

dedylja [7]

Answer:

may be that is not V that mau be some numbers

6 0

3 years ago

The measure of one angle of a right triangle is 28∘ more than the measure of the smallest angle. Find the measure of the smalles

slava [35]

$\begin{gathered} x=\text{measure of the smallest angle} \\ 90+x+(x+28)=180 \\ 90+x+x+28=180 \\ 90+2x+28=180 \\ 2x+118=180 \\ 2x=180-118 \\ 2x=62 \\ x=\frac{62}{2} \\ x=31 \\ \text{The measure of the smallest angle is 31 \degree} \end{gathered}$

6 0

2 years ago

Each person in a group buys a movie ticket, a drink, and a popcorn. How much does the group pay when there are 4 people in the g

Cerrena [4.2K]

Answer:
$58.00

Step by step explanation:
We have $3.00+$7.50+$4.00=14.50
And then we multiply $14.50 by 4
Then we get $58.00

7 0

3 years ago

Angle x and angle y are complementary. Angle x is supplementary to a 128 degrees angel. What are the measures of angle x and y

Irina18 [472]

Answer: x is 52 and y is 38.

Step-by-step explanation:

x+128=180

x=52

52+y=90

y=38

5 0

4 years ago

Read 2 more answers