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Andreas93 [3]
2 years ago
7

PLEASE HELP!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
aleksklad [387]2 years ago
4 0
1: 5-3 2: 3-1 3: 1+1
alekssr [168]2 years ago
3 0
X= 4-2
X= 6-4
X = 8-6
Is this what u want?
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jamie wants to run a total of 9 miles thid week. so far, she has run 4 5/8 miles. use the equation 4 5/8 + r = 9​. please help m
____ [38]

Answer:

r=4\frac{3}{8}

Step-by-step explanation:

Given the following question:

4\frac{5}{8} +r=9

<u>Rewrite the expression to find the value of r:
</u>
9-4\frac{5}{8}

<u>Subtract by finding the common denominator:</u>
9-4\frac{5}{8}
9=\frac{9}{1}
4\frac{5}{8} =8\times4=32+5=37=\frac{37}{8}
\frac{9}{1} -\frac{37}{8}
\frac{9}{1} \times8=\frac{72}{8}
\frac{37}{8} \times1=\frac{37}{8}
\frac{72}{8} -\frac{37}{8}
72-37=35
=\frac{35}{8}
\frac{35}{8} =35\div8=4\frac{3}{8}
r=4\frac{3}{8}
4\frac{5}{8} +4\frac{3}{8} =9

Hope this helps.

4 0
2 years ago
Two lines have the given equations. Use the LINEAR COMBINATION METHOD to solve.
Maurinko [17]

Using linear combination method, the solution to given system of equations are (-7, -15)

<h3><u>Solution:</u></h3>

Linear combination is the process of adding two algebraic equations so that one of the variables is eliminated

Addition is used when the two equations have terms that are exact opposites, and subtraction is used when the two equations have terms that are the same.

<u><em>Given system of equations are:</em></u>

2x - y = 1  ---- eqn 1

3x - y = -6 ------ eqn 2

Subtract eqn 2 from eqn 1

2x - y = 1

3x - y = -6

(-) -------------

-x = 7

<h3>x = -7</h3>

Substitute x = -7 in eqn 1

2(-7) - y = 1

-14 - y = 1

y = -14 - 1 = -15

<h3>y = -15</h3>

Thus the solution to given system of equations are (-7, -15)

8 0
3 years ago
5x(6x+28)=-23 <br><br>Help I don't understand
aksik [14]

Answer:

Solve the equation for  x  by finding  a,  b, and  c  of the quadratic then applying the quadratic formula.


Exact Form:


x  =  −  70  ±  √4210/30


Decimal Form:


x  =  −0.03


Step-by-step explanation:

5x(6x+28)=−23


Step 1: Simplify both sides of the equation.


30x2+140x=−23


Step 2: Subtract -23 from both sides.


30x2+140x−(−23)=−23−(−23)


30x2+140x+23=0


Step 3: Use quadratic formula with a=30, b=140, c=23.


x=−b±√b2−4ac/2a


x=−(140)±√(140)2−4(30)(23)/2(30)


x=−140±√16840/60


x=−7/3+1/30√4210 or x=−7/3+−1/30√4210

3 0
3 years ago
Read 2 more answers
Question 13 (1 point)
Ugo [173]

Answer:

A) Fixed Expenses

Step-by-step explanation:

Because you pay every month

6 0
2 years ago
Help asap!!!!!!Order the number below from least to greatest
OLEGan [10]

Answer:

B.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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