2 years ago

Khan Academy’s question

Mathematics

1 answer:

prisoha [69]2 years ago

6 0

Answer:

Black Screen so sorry

Step-by-step explanation:

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Please helpppp??? Correct answer ?

Karolina [17]

Answer:

x = 15m

Step-by-step explanation:

The second triangle (large) is 3 times greater than the first triangle (small).

6 x 3 = 18 4 x 3 = 12 5 x 3 = x

5 x 3 is 15, so x is 15m

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3 years ago

A number z, when rounded to the nearest whole, is equal to 70. Find the upper and lower bound of x

rusak2 [61]

Answer:

A quick way to calculate upper and lower bands is to halve the degree of accuracy specified, then add this to the rounded value for the upper bound and subtract it from the rounded value for the lower bound.

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2 years ago

The Capacity of a 1 cm cube is 1 mL. How many 1 cm ice cubes do you need to melt to fill a 1.5 L jar.

Svetach [21]

1500 ice cubes need to fill 1.5 L jar

Solution:

1 cm = 1 ml

Capacity of ice cube = 1 cm

= 1 ml

Capacity of jar = 1.5 L

1 L = 1000 ml

1.5 L = 1.5 × 1000

= 1500 ml

Capacity of jar = 1500 ml

$$\text{Number of ice cubes} =\frac{\text{Capacity of ice cube}}{\text{Capacity of jar}}$

$$=\frac{1500}{1}$

= 1500

Therefore 1500 ice cubes need to fill 1.5 L jar.

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3 years ago

478000000000 in scientific notation

Svetllana [295]

Answer:

4.78 x 10^11

Here is the answer to your problem

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2 years ago

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Find the area - 14.444 m2 - 66.4424 m2 - 4.15265 m2 - 16.61060 m2

Natali [406]

C cause the diamiter....

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3 years ago