2 years ago

What are statements that are true for the following expression? (9 + 1) · 5

Mathematics

2 answers:

Scrat [10]2 years ago

8 0

Something true about this is that you add 9 plus 1 first

Bess [88]2 years ago

4 0

Answer:

One statement that is true is that it equals 50

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Please help. On a winter day in Alaska, the temperature at noon was -0.6°C. From noon to 3:00, the temperature increased by 1.2°

fomenos

Answer:

1st choice

Step-by-step explanation:

Temp at noon was -0.6. It increases 1.2 until 3.

-0.6+1.2

gets colder 0.4, then 0.6.

-0.6+1.2-0.4-0.6

the only correct way to put this equation as one of the other answers is by putting it as -0.6+1.2+(-0.4)+(-0.6)

hope that helped!

7 0

3 years ago

The area of a piece of land that is in the shape of a triangle is 1/12 square mile. One dimension of this piec of land is 4/21.

Arisa [49]

Answer:

D2=21/24 mile

Step-by-step explanation:

Her it is not specified if it is base or height, it only talks about dimensions, so let's work with dimensions

A=1/12 $mile^{2}$

D1=4/21mile, D2=?

Area of a triangle $A=\frac{b.h}{2}$

A=((D1*D2)/2) → 2A=D1*D2 → D2=2A/D1 so D2=(2*1/12)/(4/21) =(1/6)/(4/21) = (1*21)/(6*4)=21/24 mile

7 0

3 years ago

Choose the expression that represents “three less than seven times a number.”

tamaranim1 [39]

Answer:

x7-3 as number is multiplied by 7 then subtracted by 3

3 0

3 years ago

Andrew can jog 144 miles in 11 hours. Enter the number of miles he can jog in 1 hour.

katrin2010 [14]

144/11= 13.09

Andrew can jog 13.09 miles in one hour.

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3 years ago

Which is longer 3200 hours or 19 weeks

Katarina [22]

The 1 weeks is longer because the hours is like 53 days and the weeks are like 133 days

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3 years ago