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umka21 [38]
2 years ago
10

Can 3 be equivalent to 300

Mathematics
1 answer:
Mariana [72]2 years ago
3 0

Answer: no, 3 cannot be equal to 300 because 3 is equal to 3

Step-by-step explanation:

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What is the solution of the system?
prisoha [69]
X=-4y+2
3(-4y+2)+2y=11
-12y+6+2y=11
-10y+6=11
-6=-6
-10y=5
y=-1/2

3x+2(-1/2)=11
3x-1=11
+1=+1
3x=12
x=4

Solution:(-1/2,4)
8 0
3 years ago
Katy and Jane construct a four-sided wall to surround their castle. The wall has a perimeter of
PilotLPTM [1.2K]

Answer:

The correct length is <em>34 feet</em>.

Step-by-step explanation:

Let us assume that the wall created is a rectangle <em>ABCD</em> as shown in the attached image.

We know that opposite sides of a rectangle are equal.

<em>Perimeter</em> of a <em>closed figure is calculated by adding all the sides of the figure</em>.

Here, from the figure, the perimeter is : AB + BC + CD + DA

AB and CD are equal to length.

BC and DA are equal to width.

So,

Perimeter = 2 \times (length + width) ....... (1)

Here, we are given that <em>perimeter </em>is 100 feet and <em>width</em> = 16 feet

Putting values in equation (1):

100 = 2 \times (16 + length)\\\Rightarrow 50 = 16 + length \\\Rightarrow length = 34 feet

Hence, length is 34 feet.

5 0
3 years ago
Para embalar una caja se emplea 4,2 m de cinta adhesiva. ?Cuántas cajas se podrán embalar con tres rollos que tienen 3 hm, 7 dam
kompoz [17]

For this case, we perform the conversions:

First roll:

1 \ Hectometer --------> 100 \ meters\\3 \ Hectometer --------> x

x = \frac {3 * 100} {1}\\x = 300 \ meters.

We make a rule of three to determine the number of "c" boxes that can be packed with 300 meters of adhesive tape.

1 -----------> 4.2

c -----------> 300

c = \frac {300 * 1} {4.2}\\c = 71.42857143\\c = 71

You can pack 71 boxes.

Second roll:

1 \ Decametro --------> 10 \ meters\\7 \ Decameter --------> x\\x = \frac {7 * 10} {1}\\x = 70 \ meters.

We make a rule of three to determine the number of "c" boxes that can be packed with 70 meters of adhesive tape.

1 -----------> 4.2

c -----------> 70

c = \frac {70 * 1} {4.2}\\c = 16.66666667\\c = 16

You can pack 16 boxes.

Third roll:

1 -----------> 4.2

c -----------> 50

c = \frac {50 * 1} {4.2}\\c = 11.9047619\\c = 11

You can pack 11 boxes.

Thus, in total you can pack11 + 16 + 71 = 98 \ boxes

Answer:

98 boxes

4 0
3 years ago
Solve for x. <br>2x/9 = -65 <br><br>a) x = -292 1/2 <br>b) x = -14 4/9 <br>c) x = 292 1/2
Ludmilka [50]

Answer:

A) -292.5

Step-by-step explanation:

-65 x 9 = -585

-585 ÷ 2 = -292.5

8 0
3 years ago
Read 2 more answers
Gills dealership had v vehicles on his lot. He had sold 9% of the vehicles on his lot by the end of last month. Which expression
STALIN [3.7K]

Answer:

V-9%= Vehicles Left  V- 0.09= Vehicles Left

Step-by-step explanation:

4 0
3 years ago
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