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Pachacha [2.7K]
3 years ago
12

Form an equation use the letter x for a unknown answer

Mathematics
2 answers:
katrin [286]3 years ago
8 0
One step equation:
3x=15 (x=5)
Two step equation:
7x + 3 =31 (x=4)
Nata [24]3 years ago
6 0

Answer:

When you use x its to replace a number

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an electrician can wire on average 4.5 houses in a week. how many months will it take her to wire houses if she wires the same n
NikAS [45]
I believe it would be 12 months. How i got this answer was by dividing 55 by 4.5.

Even though it is a very vague explanation as to how i got the answer, I hope this helps you.<span />
5 0
4 years ago
Rockin' Reggie's Music Shop sells about 200 guitar picks each week. Reggie orders picks by the gross (144) from a distributor. A
Gala2k [10]

Answer:

1872 gross should Reggie order for a three month supply.

Step-by-step explanation:

Given:

200 guitar picks each week.

To Find:

How many gross should be ordered for three months period

Solution:

Now  the guitar picks corresponds to the  order picks by gross as follows;

given that 200 guitar picks corresponds to 144 gross orders

Now 200 are sold for each weeks i.e 7 days

<em>Now for 3 months there are approximately 13 weeks </em>

so Total sell for 3 months=13*200=2600 guitars

Now The ratio of guitar picks to gross orders is ,

144/200

=1/1.39=0.72

So 2600 guitars corresponds to 2600*(1/1.39)

i.e. 2600/1.39

=1872 Gross orders are required to get three month of supply

3 0
3 years ago
What is the lcm for 12,27,36​
Verdich [7]

\bold{Hey \ there!}\\ \bold{-  \ LCM\ means\ \ Lowest\ Common\ Multiple} \\ \\ \bold{So,\ the\ LCM\ of\ 12,27,36\ is\downarrow}

\bold{12: 2^3\times3} \\ \bold{27:3^3\ or \ you\ could\ say:3*3*3}\\ \bold{36:2^2 \times3^2}

\italics{Note: just\ factor\ them\ out\ to\ find\ the\ LCM!}

\boxed{\boxed{\bold{Answer:108}}}\checkmark

\bf{Good\ luck\ on\ your\ assignment\ and\ enjoy\ your\ day!}

\frak{LoveYourselfFirst:)}

3 0
3 years ago
Please answer both A. and B.<br><br> Thank you in advance!!!
Nitella [24]

Answer:

175 ft

Step-by-step explanation:

From the question,

(a) ΔABC and ΔEDC are similar because all the angles in ΔABC is equal to the corresponding angles in ΔEDC.

I.e, ΔABC is equiangular to ΔEDC. (AAA).

(b) From the diagram.

for similar angle, ratio of corresponding sides are equal

100/d = 4x/7x

100/d = 4/7

where d = distance across the river

solve for d

d = (100×7)/4

d = 175 ft

8 0
3 years ago
160 bananas 20% decrease
ZanzabumX [31]
Inadequate problem statement.  I'm assuming you meant "find the number of bananas lost in a 20% decrease from 160 bananas."  That would be 0.20(160), or 32 bananas lost, with 128 bananas remaining.  Please include all details when you share a problem statement.
3 0
3 years ago
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