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Shalnov [3]
3 years ago
8

-2 1/4 - ( - 3/4) =​

Mathematics
2 answers:
Grace [21]3 years ago
6 0

Answer: -1.5

Step-by-step explanation:

Alisiya [41]3 years ago
6 0
-1.5. ////////////////////
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The measure of angle S is 65 degrees.
suter [353]

Answer:

A. 115°

Step-by-step explanation:

180° - 65° = 115°

5 0
3 years ago
June bought ​ 3 1 2 312 ​ gallons of white paint at $17.50 per gallon and ​ 1 3 4 134 ​gallons of blue paint at $19.00 per gallo
algol [13]
312* 17.5= 5460.00

134*19=2546

2546+5460= $8,006.00
5 0
3 years ago
A leaking faucet drips into a bucket. The faucet drips at a constant rate. The level of water in the bucket rises
Sveta_85 [38]

Answer:

The per hour rate is 0.5 inches per hour

Step-by-step explanation:

Here, we want to calculate the rate at which the level of the water increased

Mathematically, we can get this by dividing the amount of increment by the time it took

That would be 3 inches divided by 6 hours

= 3/6 = 0.5 inches per hour

7 0
3 years ago
Find the value of r so the line passes through each pair of points has the give slopes
Art [367]

Answer:

r=64

Step-by-step explanation:

First, let's start with what we have. If we use y=mx+b here's what we can put in:

y=-4x+b

Then we can use one of the given points to find the y-intercept. Since the only complete one is (12,10), we'll use that.

10=-4(12)+b\\10=-48+b\\58=b

So now we have y=-4x+58.

Now we can use our other point with the missing y-value and solve for y.

r=-4(-2)+58\\r=64

So the missing value is 64.

Hope this helps!

7 0
2 years ago
The mean length of time, per week, that students at a certain school spend on their homework is 24.3 hours, with a standard devi
bixtya [17]

Answer:

21.1%

Step-by-step explanation:

(25 - 24.3) / 1.2 = 0.5833 z score = 78.9%

You need the percent that spend more than 25 hrs per week, so 100 - 78.9 = 21.1%

4 0
2 years ago
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