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cluponka [151]
3 years ago
10

Solve the equation.

Mathematics
1 answer:
Sphinxa [80]3 years ago
6 0

Answer:

x=-5

Step-by-step explanation:

4-2(x+7)=3(x+5)

Distribute:

4-2*(x)-2*(7)=3*(x)3*(5)

Simplify

4-2x-14=3x+15

Simplify each side by combining like terms

-2x-10=3x+15

Add 10 to both sides

-2x-10+10=3x+15+10\\-2x=3x+25

Subtract 3x from both sides

-2x-3x=3x-3x+25\\-5x=25

Divide both sides by -5

\frac{-5x}{-5} =\frac{25}{-5} \\x=-5

Done

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How did they get that vertex
Nataly_w [17]

Answer:A vertex (or node) of a graph is one of the objects that are connected together. The connections between the vertices are called edges or links. A graph with 10 vertices (or nodes) and 11 edges (links).

Step-by-step explanation: (The vertex formula is derived from the completing-the-square process, just as is the Quadratic Formula. In each case, memorization is probably simpler than completing the square.) For a given quadratic y = ax2 + bx + c, the vertex (h, k) is found by computing h = –b/2a, and then evaluating y at h to find k.

8 0
3 years ago
The hire purchase price of a fridge is 16400. 25% is paid as deposit, the rest is spread over 12 equally monthly instalments. If
Flauer [41]

Answer: a. 13120

b. 4100

c. 1025

d. 3280

Step-by-step explanation:

(a) find the costs price of the fridge

Since the cash price is 20% less the hire purchase price, then the cost of the fridge will be:

= (100% - 20%) × 16400

= 80% × 16400

= 0.8 × 16400

= 13120

(b) calculate the deposit

Since 25% is paid as deposit, the deposit will be:

= 25% × 16400

= 0.25 × 16400

= 4100

(c) what is the monthly installments

Monthly installments will be:

= (16400 - 4100)/12

= 12300/12

= 1025

(d) what is the differences between the cash price and the hire purchase price.

This will be:

Hire purchase price = 16400

Cash price = 13120

= 16400 - 13120

= 3280

3 0
3 years ago
I need help with this <br> ASAP!!!!!!!!!
zzz [600]

Answer:

<e & <g are vertical

<e & <a are corresponding

<e & <a are alternate interior angles

<g & <a are alternate exterior angles

<g & <f are none of the above

ur welcome. have a great day

6 0
3 years ago
What are the first 3 digits of the square root of Pi?
Tanya [424]
Hello!!

The square root of pi 3.14 is:

1.77245385

I am sure you can figure out the main point!

Good luck :)
6 0
3 years ago
Read 2 more answers
Please help it would mean a lot to me
artcher [175]
I believe it’s D not sure though I’m sorry
4 0
2 years ago
Read 2 more answers
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