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STALIN [3.7K]
3 years ago
10

Maje a ten or hundred to add mentally

Mathematics
1 answer:
NeTakaya3 years ago
6 0
You can add numbers mentally if there are zero's behind them.
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Given points A(4, -1) and C(0, -6), find AC and the coordinates of the midpoint of AC?
Daniel [21]

Answer:

The midpoint is ( 2,-3.5)

Step-by-step explanation:

To find the x coordinate of the midpoint, add the x coordinates and divide by 2

( 4+0)/2 = 4/2=2

To find the y coordinate of the midpoint, add the y coordinates and divide by 2

( -1+-6)/2 = -7/2 =-3.5

The midpoint is ( 2,-3.5)

8 0
3 years ago
Lynne feeds her cat 65 g of cat food per day. About how many ounces of cat food will she feed her cat in 5 weeks? 1 oz≈28.3 g
Svet_ta [14]
<span>Consumption in Grams would be 65 x 7 x 5 which 2,275 If we use the conversion rate of 28.3 grams to an ounce then the number of ounces will be found by completing this sum 2275 divided by 28.3 which is 80 Ounces when rounded down</span>
8 0
4 years ago
PLEASE PLEASE HELP WILL MARK BRAINLIEST
Rama09 [41]

Answer:

The answer is

\huge y = 3x + 21

Step-by-step explanation:

To find an equation of a line given the slope and a point we use the formula

y -  y_1 = m(x -  x_1)

where

m is the slope

( x1 , y1) is the point

From the question the point is (−5, 6) and slope = 3

The equation of the line is

y - 6  = 3(x + 5) \\ y - 6 = 3x + 15 \\ y = 3x + 15 + 6

We have the final answer as

y = 3x + 21

Hope this helps you

4 0
3 years ago
Read 2 more answers
If f || k and k || m, then blank​
Scrat [10]

Answer:

f || m

Step-by-step explanation:

If f is parallel to k and k is parallel to m

then f must be parallel to m

6 0
3 years ago
Find the total surface area: ​
denpristay [2]

Answer:

612 cm²

Step-by-step explanation:

Total surface area = area of all the nets in that make up the shape

✔️There are 2 equal rectangles of the following dimensions:

L = 10 cm

W = 4 cm

Area = 2(10*4) = 80 cm²

✔️There are 2 equal rectangles of the following dimensions:

L = 10 cm

W = 17 cm

Area = 2(10*17) = 340 cm²

✔️There are 2 equal rectangles of the following dimensions:

L = 4 cm

W = 17 cm

Area = 2(17*4) = 136 cm²

✅Total surface area = 80 + 340 + 136 = 612 cm²

3 0
3 years ago
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