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Dominik [7]
3 years ago
10

Please help me I don’t understand

Mathematics
1 answer:
navik [9.2K]3 years ago
8 0
I believe that the answer is 2. 2 can go into both 4 and 12 equally.

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Each table in a classroom is 100cm long and 50cm wide. what is the area of each table? there are 16 tables in the classroom. wha
lord [1]

Answer:

A

Step-by-step explanation:

3 0
3 years ago
ASAP<br> Can someone please help me with this
mote1985 [20]

Answer:

it is the last one on the bottom

4 0
3 years ago
7. What is 45% of 115? Show your work.
olchik [2.2K]
45/100 × 115 = 51.75...........
6 0
3 years ago
Read 2 more answers
Write an equation of the line through the point (5, 3) that is perpendicular to the line –3x+7y=5.
Fed [463]

Answer:

7x + 3y = 44

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c (m is the slope and c the y- intercept )

Rearrange - 3x + 7y = 5 into this form by adding 3x to both sides

7y = 3x + 5 ( divide all terms by 7 )

y = \frac{3}{7} x + \frac{5}{7} ← in slope- intercept form

with slope m = \frac{3}{7}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{\frac{3}{7} } = - \frac{7}{3} , thus

y = - \frac{7}{3} x + c ← is the partial equation

To find c substitute (5, 3) into the partial equation

3 = - \frac{35}{3} + c ⇒ c = 3 + \frac{35}{3} = \frac{44}{3}

y = - \frac{7}{3} x + \frac{44}{3} ← in slope- intercept form

Multiply through by 3

3y = - 7x + 44 ( add 7x to both sides )

7x + 3y = 44 ← in standard form

6 0
3 years ago
Read 2 more answers
it takes trevon ten hours to clean an attic. cody can clean the same attoc in seven hours.find how long it would take them if th
Lesechka [4]
(17/70)x = 70/70(17x)/70 = 70/7017x = 70x = 70/17x ≈ 4.1176
8 0
3 years ago
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