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STatiana [176]
3 years ago
11

The angles of a quadrilateral are 2x , 3x , 7x , and 8x find x

Mathematics
1 answer:
faust18 [17]3 years ago
6 0

Answer:

x = 18

Step-by-step explanation:

The sum of the angles in a quadrilateral is 360

2x + 3x + 7x + 8x = 360

Combine like terms

20x = 360

Divide both sides by 20

x = 18

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Marco and Drew stacked boxes on a shell. Marco lifted 9 boxes and Drew lifted 14 boxes. The boxes that Drew lifted each weighed
fenix001 [56]

Answer:

If m = the weight of boxes that marco lifted, and each box that drew lifted was 8 lbs less than marcos boxes, then you would multiply the total number of boxes that drew lifted by the weight of marcos total boxes - 8 or 14(m-8)

Step-by-step explanation:

5 0
3 years ago
If 6 pens cost $2.40 What is the cost of 9 pens?
Shkiper50 [21]

Answer:

3.60$

Step-by-step explanation:

if we bought 3 pens that would equal 1.20$ so we add 1.20$ to 2.40$ we get 3.60$

3 0
3 years ago
Type your answer into the box.<br> Insert &gt; or &lt; into the following:<br> £107,714<br> £107,674
Ilya [14]

Answer:

£107,714  > £107,674

Step-by-step explanation:

Given

£107,714  and £107,674

Required

Determine the relationship between them using > or <

From the given parameters, we understand that

£107,714  is greater than £107,674

The keyword greater than is represented mathematically with  >

Hence:

£107,714  is greater than £107,674

becomes

£107,714  > £107,674

8 0
3 years ago
A: -20<br>b:-8<br>c:8<br>d:48 <br>¿?<br>​
motikmotik

Answer:

the correct answer is -8

Step-by-step explanation:

to find this you are going to substitute 8 in for x in the equation

7 0
3 years ago
I REALLY NEED HELP PLEASE!!
rjkz [21]

Answer:

4588 [in²].

Step-by-step explanation:

1) the given octagon can be imagined as 8 triangles (see the attachment). In order to calculate the required area of the octagon, it is enough to calculate the area of one triangle then increase it 8 times:

2) area of one triangle is:

37*31/2 [in²].

3) the required area of the octagon is:

31*37*8/2=31*37*4=4588 [in²].

8 0
2 years ago
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