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Kipish [7]
3 years ago
13

If a train travels at the speed of 100 km how far will it travel in half an hour

Mathematics
2 answers:
brilliants [131]3 years ago
7 0

Answer:

Step-by-step explanation:

choli [55]3 years ago
4 0

Answer:

50 kilometers

Step-by-step explanation:

If it travels 100 in an hour, it would travel 50 in half

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3. Find the angle complementary to the angle 80°25′. A. 180° B. 9°35′ C. 90° D. 99°35′
svetlana [45]
"Complementary" angles sum to 90°.

Since we are using minutes as well...

80°+d°+25'+m'=90°  subtract 80° from both sides

d°+25'+m'=10°  subtract 25' from both sides

d°+m'=9°+60'-25'

d°+m'=9°+35'

9°35'
5 0
3 years ago
Ayuda pls :) I love u in advance
GREYUIT [131]

Answer:

I can't be quite specific without no protractor, but I will say it could be in-between 40 degrees and 20 degrees.

Step-by-step explanation: Hope this helps and brainliest if possible!

7 0
3 years ago
Which of the following is a correct interpretation of the expression 2 + 7?
mr Goodwill [35]

Answer:

(D). The number that is 7 to the right of 2 on the number line​

Step-by-step explanation:

It could also be the number that is 2 to the right of 7 on the number line. When numbers are added, the distances of each to the origin are laid end-to-end from the origin to the right on the number line.

2+7 can mean that the distance 2 is added to the distance 7, or vice versa. (The commutative property of addition says order does not matter.)

6 0
3 years ago
What is the area of the model in the problem?
nata0808 [166]

Answer:

A=x^2+12x+27\ units^2

Step-by-step explanation:

we know that

The area of the model is equal to the area of a rectangle

The area of a rectangle is equal to

A=LW

we have

L=x+9\ units

W=x+3\ units

substitute

A=(x+9)(x+3)

Apply distributive property

A=x^2+3x+9x+27

Combine like terms

A=x^2+12x+27\ units^2

4 0
4 years ago
Write the order of operations down using your own words​
dybincka [34]

The order of operations is:

Parentheses, Exponent, Division, Multiplication, Addition, Subtraction.

Or PEMDAS.

hope it helps!

6 0
3 years ago
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