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alukav5142 [94]
3 years ago
12

This is for my sister

Mathematics
2 answers:
maw [93]3 years ago
6 0

Answer:

a = 11

b = 7

Step-by-step explanation:

a + b = 18

a - b = 4

Check:

11 + 7 = 18

True

11 - 7 = 4

True

I hope this helps. (:

ELEN [110]3 years ago
5 0

Answer:

Large umber is 11, small one 7

Step-by-step explanation:

11- 4 =7

7+11=18

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Which label would NOT be appropriate for volume.<br> cubic feet<br> square miles<br> inches<br> cm3
Cloud [144]

Answer:

square miles

inches

Step-by-step explanation:

Analyzing the options:

  • cubic feet: this is a measure of volume because 1 cubic feet represents the volume of a cube with measures 1 feet on each side. In general, when a measure of length, such as the foot is cubed, it represents a volume.
  • square miles: This is not a measure of volume but of area, a square mile represents the area of a square with sides that measure one mile. So this option is not a measure of volume
  • inches: is a measure of length, not volume
  • cm^3: Cubic centimeters are a measure of volume, because a cubic meter is the volume of a cube with sides of a centimeter.

Thus the answer is that:

square miles and inches

are not appropiate for volume

8 0
4 years ago
La base de una cartulina rectangular mide 8 cm de altura si le recortamos 3 cm a su altura el area de la nueva cartulina seria 1
aev [14]

Answer:

w=8cm\\h=18.75cm

Step-by-step explanation:

Let:

w=Width\\h=Initial\hspace{3}height\\h_m=Modified\hspace{3}height\\\\Where:\\\\h_m=h-3

The area of the cardboard can be calculated using the formula to find the area of a rectangle:

A=w*h

The area of the new cardboard would be:

A=w*h_m\\\\Where:\\\\w=8\\h_m=h-3\\A=126

So:

126=8*(h-3)\\\\126=8h-24

Solving for h:

126+24=8h\\\\150=8h\\\\h=\frac{150}{8} =\frac{75}{4} =18.75cm

Therefore, the dimensions of the initial cardboard are:

w=8cm\\h=18.75cm

<u><em>Translation:</em></u>

Sea:

w=Ancho\\h=Altura\hspace{3}inicial\\h_m=Altura\hspace{3}modificada\\\\Donde:\\\\h_m=h-3

El área de la cartulina se puede calcular usando la fórmula para encontrar el área de un rectángulo:

A=w*h

El área de la nueva cartulina sería:

A=w*h_m\\\\Donde:\\\\w=8\\h_m=h-3\\A=126

Entonces:

126=8*(h-3)\\\\126=8h-24

Resolviendo para h:

126+24=8h\\\\150=8h\\\\h=\frac{150}{8} =\frac{75}{4} =18.75cm

Por lo tanto, las dimensiones de la cartulina inicial son:

w=8cm\\h=18.75cm

7 0
3 years ago
Is this a scalene, Isosceles, or equilateral triangle (a) T (1,0), R (2, -5), I (-3, -5)
telo118 [61]

Answer:

Isosceles triangle

5 0
3 years ago
Urgent helps bxjdidjdjjfjdhhdhdh
MatroZZZ [7]

Answer:

l=40

Step-by-step explanation:

The area is calculated as

A = wl

1200=30l

1200/30=l

40=l

5 0
3 years ago
For brainiest:)):):):):):)
Elenna [48]

Answer:

1.) a

2.) ?

Step-by-step explanation:

5 0
3 years ago
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