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Alex Ar [27]
3 years ago
12

Question and examples in picture. Please help

Mathematics
1 answer:
kondor19780726 [428]3 years ago
3 0

Answer:

a = 7, LN = 105

Step-by-step explanation:

LM = 8a

\textrm{LM also equals 56}

Solve for a

8a = 56 \rightarrow a =7

Given that a = 7, solve for MN

MN = 7a

MN = 7(7) \rightarrow 49

In order to find LN, add 49 and 56 together

49 + 56 = 105

LN = 105

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2x-10= -6<br> what is x i need help fast
larisa86 [58]

Answer: 2

Step-by-step explanation: add 10 to both sides so -10+10=0 and -6+10=4

then you have 2x=4 simplify

8 0
3 years ago
On monday ,jan made wgitmddrawls of $25,$45 and $75 from her savings account .On the sane day, het twin sister lola made withdra
Dafna11 [192]
Part (a):
We will assume that the total amount is Jan's saving account is "m"
Now, "withdrawal" means that she took money from her account, which means that the amount of money in her account decreased by the amount she withdrew.
Sum of negative integers to show her withdrawals = -25$ - 45$ - 75$
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The amount of money Jan withdrew = 25$ + 45$ + 75$ = 145$

Part (b):
We will assume that the total amount is Lola's saving account is "n"
Now, "withdrawal" means that she took money from her account, which means that the amount of money in her account decreased by the amount she withdrew.
Sum of negative integers to show her withdrawals = -35$ - 55$ - 65$
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7 0
2 years ago
Find the sum of 2x+1 and 5x
aliya0001 [1]

Hey!

This could be rewritten as:

2x + 1 + 5x

We can add like terms together:

7x + 1

5 0
3 years ago
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18 is what percent of 42?
Fittoniya [83]

Answer:

42.86

Step-by-step explanation:

6 0
2 years ago
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What number must you add to complete the square?<br><br> x^2-10x=46
gtnhenbr [62]
X² - 10x = 46
10/2 = 5; 5²+ 25 add 25 to both sides

x² - 10x + 25 = 46 + 25

so the number you have to add to complete the square is 25.
5 0
3 years ago
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