2 years ago

Draw to show how you can use models to compare 345 and 391

1 answer:

ozzi2 years ago

7 0

You can draw a drawing with 9 tens 1 ones and 4 tens 5 ones ten subtract the 91 and 45 then draw 300 and 300 and then your done!

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Is defined if the number of columns in the first matrix is equal to the number of rows in the second matrix?

saveliy_v [14]

Multiplication of two matrices can be accomplished if this condition exists.

3 0

3 years ago

PLS HELP I WILL GIVE BRAINLIEST 1- If you are driving at a constant speed of 55 miles per hour, give an estimate of how many mil

Hatshy [7]

Answer:

1- 72 miles

2-$3

3- 50(0.50 x c)

Step-by-step explanation:

For Number 1 we have to do 55 divided by 60 which is about 0.90 and then we multiply that by 1 hour and 20 minutes which in minutes is 80. 0.90 x 80 = 72 exactly.

For Number 2 we have to divide 36.25 by 11.5 rounded is 36/12 whish is 3.

For number 3 c stands for number of channels

Hope i could help! :DD

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2 years ago

Find the slope of the line 3,0 and 0,-3

liubo4ka [24]

Answer:

Step-by-step explanation:

The slope of the line is 1. To find slope use the formula $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$ , this calculates the change in y over the change in x. So plug in the known values $\frac{0+3}{3-0}$ , this equals 3/3 or 1. This means every time y increases by 1, x will also increase by 1.