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Mashcka [7]
3 years ago
8

Identify a solution to this system of equations:

Mathematics
1 answer:
fomenos3 years ago
5 0

Answer:

-4y+3y = -28+23

-y = -5

y = 5

thus x =-2

that is why b is right option

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Help me solve 1 <2n-5 <_7 also please explain
Naddik [55]
I'm not sure if that is supposed to be 7 or -7 If it's -7: 1<2n-5<-7 +5 +5 +5 Add 5 to all parts of the inequality get 2n by itself 6<2n<-2 /2 /2 /2 Divide all parts by 2 to isolate the variable 3
7 0
3 years ago
Eli and Samantha work at a dry cleaners ironing shirts. Eli can iron 20 shirts per hour, and Samantha can iron 35 shirts per hou
MrRa [10]

Answer:

see the explanation

Step-by-step explanation:

Let

x ----> the number of hours Eli worked

y ----> the number of hours Samantha worked

we know that

Eli and they ironed 400 shirts between them

so

 ----> equation A

Samantha worked 2 more hours than Eli

so

----> equation B

solve the system by substitution

substitute equation B in equation A

solve for x

Find the value of y

substitute the value of x in equation B

therefore

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5 0
2 years ago
First Identify the Angle relationship, then solve for x.
aleksley [76]

Answer:

Corresponding Angles Theorem

x = -5

Step-by-step explanation:

Since they are corresponding angles, they are equal to each other.

x + 105 = 100

x = -5

3 0
2 years ago
A play train travels around a christmas tree in a circle. the train tracks measure 6 feet in diameter. what is the length of the
mixas84 [53]
1.8288 de diâmetro
1pés e equivalente a 0.3048 e so multiplicar por 6 que vai da 1.8288
3 0
3 years ago
Rewrite the following equation in exponential form.
ira [324]

Answer:

5² = 25

Step-by-step explanation:

log5 25 = 2

log(b) (x) = (y)

make b^(y) = (x)

5² = 25

I hope this helps!

5 0
2 years ago
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