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ArbitrLikvidat [17]
2 years ago
9

HELP ASAP OVERDUE TEST!!!!!!!

Mathematics
2 answers:
Bas_tet [7]2 years ago
8 0
The last one, 4.
You have to start with 5+n, and you know it will be equal or less than -7.
PSYCHO15rus [73]2 years ago
7 0

Answer:

#4 the last one

Step-by-step explanation:

yeah-ya........ right?

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You play video games online. When you sign up with the game site, you get 200 points. You earn 20 more points for each hour that
Savatey [412]
500 = 200 + 20h is our equation.
Subtract 200 from both sides
300 = 20h
Divide by 20
300/20 = 15.
It will take 15 hours to get 500 points.
Hope this helps!
8 0
3 years ago
Read 2 more answers
90=20+70 use the distributive property and the GCF OF 20 and 70 to write another related expression for 90 could you write anoth
juin [17]
90 = 20 + 70.....GCF of 20 and 70 is 10
90 = 10(2 + 7) <==

can u write another expression using a different common factor...yes
90 = 20 + 70.....common factor is 5
90 = 5(4 + 14) <==
8 0
3 years ago
4 Ayla s is paid $15 20 per hour for a 34 hour week. April has the same weekly pay but works 38
VashaNatasha [74]

Find Atlas weekly pay by multiplying rate by hours:

15.20 x 34 = 516.80 a week.

Now to find Apri’s rate divide the weekly pay by hours:

516.80 / 38 =$13.60 per hour

5 0
3 years ago
-9/54 - (-12/54)<br><br> What is the answer in fraction form?
Fofino [41]

Answer:

1/18

Step-by-step explanation:

Just go to calculator and write -9÷54-(-12÷54)

5 0
3 years ago
Answer ,how to do it.
guapka [62]

Answer:

<u>The system has two solutions:</u>

<u>x₁ = 5  ⇒ y₁ = -10</u>

<u>x₂ = -2 ⇒ y₂ = 11</u>

Step-by-step explanation:

Let's solve the system of equations, this way:

y = -3x + 5

y = x ² - 6x - 5

Replacing y in the 2nd equation:

y = x ² - 6x - 5

-3x + 5 = x ² - 6x - 5

x ² - 3x - 10 = 0

Solving for x, using the quadratic formula:

(3 +/- √(9 -4 * 1 * -10))/2 * 1

(3 +/- √9 + 40)/2

(3 +/- √49)/2

(3 +/- 7)/2

x₁ = 10/2 = 5

x₂ = -4/2 = -2

x₁ = 5  ⇒ y₁ = -10

x₂ = -2 ⇒ y₂ = 11

<u>As we can see the system has two different solutions</u>

8 0
4 years ago
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