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Nadya [2.5K]
4 years ago
15

Two sixth-grade classes are collecting money to buy a present for one of their teachers. One class collected $30.25. About how m

uch money did they collect in all? The gift they want to buy costs $69.75. About how much more money do they need
Mathematics
1 answer:
zavuch27 [327]4 years ago
6 0
If they only have 30.25, then they still need 39.50
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At a local restaurant, the amount of time that customers have to wait for their food is normally distributed with a mean of 38 m
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boybffqq

5 0
3 years ago
How many groups can divided into 5/8
Liono4ka [1.6K]

Answer:

0, because 5 divided by 8 is 0.625. 0.625 is not a whole number. 5/8 = 0.625

6 0
3 years ago
A class of 33 students elected a class treasurer. there were 111votes for candidate a and 15 votes for candidate
Advocard [28]

Since 111 is greater than 33, I will assume that you meant 11 votes for a candidate. Also, assuming that each student can vote only once, the answer would be

11/33 x 100=33.333333...

About 33.333 of the voters voted for candidate a.

3 0
3 years ago
Solve 10-5x+1=7x+11-12
Gekata [30.6K]

Answer:

x=1

Step-by-step explanation:

Let's solve your equation step-by-step.

10−5x+1=7x+11−12

Step 1: Simplify both sides of the equation.

10−5x+1=7x+11−12

10+−5x+1=7x+11+−12

(−5x)+(10+1)=(7x)+(11+−12)(Combine Like Terms)

−5x+11=7x+−1

−5x+11=7x−1

Step 2: Subtract 7x from both sides.

−5x+11−7x=7x−1−7x

−12x+11=−1

Step 3: Subtract 11 from both sides.

−12x+11−11=−1−11

−12x=−12

Step 4: Divide both sides by -12.

−12x

−12

=

−12

−12

x=1

5 0
3 years ago
Write the equation of the line that satisfies the following conditions:
eduard

Answer:

a. y=-x+-5

b. y=\frac{4}{3}x+\frac{5}{3}

Step-by-step explanation:

to solve part a we have the slope of the line and a point, so we use the point-slope equation

y=m(x-x_{1})+y_{1}

where m is the slope: m=-1, and (x_{1},y_{1}) is the point, so in this case the point is (0,-5) thus x_{1}=0 and y_{1}=-5.Thus the equation is:

y=-1(x-0)+(-5)

y=-x+-5

And for part b we have two points. With the two points we can find the slope and then use the point-slope equation again.

To find the slope we use:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

for the points (x_{1},y_{1}) and (x_{2},y_{2}). Since we have the poits: (1,3) and (-2,-1)

x_{1}=1\\y_{1}=3\\x_{2}=-2\\y_{2}=-1

Thus, the slope:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{-1-3}{-2-1}

m=\frac{-4}{-3}

m=\frac{4}{3}

and now using the point-slope equation:

y=m(x-x_{1})+y_{1}

y=\frac{4}{3}(x-1)+3\\y=\frac{4}{3}x-\frac{4}{3} +3\\y=\frac{4}{3}x+\frac{5}{3}

7 0
3 years ago
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