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3 years ago

Help I don't get number 11

Mathematics

2 answers:

jekas [21]3 years ago

8 0

Think of the pattern on the table. It is the number x 2 so 30x2= 60 therefore the answer is D.

Juliette [100K]3 years ago

5 0

As you see the rule is ×2 so 30×2=60 your answer is D:60!

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Solve this quetion...4

alukav5142 [94]

Answer:

1350 grains

Step-by-step explanation:

Since he needs 450 grains for 6 people, he would need three times that for three times the amount of people.

Therefore, for $6\cdot3=18$ people, he would need $450\cdot3=1350$ grains.

8 0

2 years ago

Find the length of the missing side. The triangle is not drawn to scale.

suter [353]

Answer:

D.) 8

Step-by-step explanation:

You can use the Pythagorean theorem because this is a right triangle:

$a^2+b^2=c^2$

a and b are the legs and c is the hypotenuse. The hypotenuse is always the longest side in a right triangle (since it is opposite the biggest angle). The two legs squared have to add up to the hypotenuse squared.

Fill in values:

$a^2+15^2=17^2$

Simplify exponents:

$a^2+225=289$

Isolate the variable. Subtract 225 from both sides:

$a^2+225-225=289-225\\a^2=64$

Find the square root of both sides:

$\sqrt{a^2}=\sqrt{64}\\ a=8$

The missing leg length is 8.

7 0

3 years ago

Speed=60 km/h time= 2 hours 20 minutes, what is the distance?

daser333 [38]

Answer:

26km

Step-by-step explanation:

d=speed × time

d=60×2.33

d= 140km

8 0

3 years ago

One day in January the temperature dropped steadily from 3 degrees to negative 3 degrees. What was the change in temperature

AveGali [126]

6 degrees. ddrrgtexc7ehdb

6 0

3 years ago

A _____ has two-fold rotational symmetry.

Neko [114]

The answer is D. line.

5 0

3 years ago