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PolarNik [594]
3 years ago
8

Help me answer this q1

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
6 0

Answer: B is the answer yup B

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18 is 240% of what? basic percent equation ...?
pshichka [43]
18 = (240/100) x what;
what = 18 x (100/240);
what = 1800/240;
what = 7.5;
6 0
3 years ago
Read 2 more answers
Can someone help me with this two problems?
ANEK [815]

2x+4y=0

substitute y with 0

2x+4(0)=0

solve the equation

2x+0=0

2x=0

divide by 2 on both sides

x=0

4x+8y=7

substitute y with 0

4x+8(0)=7

solve the equation

4x+0=7

4x=7

divide by 4 on both sides

x=7/4 or x=1 3/4 or x=1.75

3x-7y=-29

2x+2y=6

solve the bottom equation

3x-7y=-29

x=3-y

substitute for x

3(3-y)-7y=-29

solve the equation

y=19/5

now substitute for y

x=3-\frac{19}{5}

solve for x

x=-4/5

the possible solution of the system is the ordered pair

(x,y)=(-\frac{4}{5} ,\frac{19}{5})

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3 years ago
Can the sides of a triangle have lengths 1, 4, and 7?
Nadusha1986 [10]

Answer:

No

Step-by-step explanation:

No because the measure of two sides are always greater than the third side

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An art teacher has a roll of mural paper that is 5 meters long.
Ivenika [448]
<h3>Answer: 50</h3>

"deci" means tenth, so "decimeter" means "tenth of a meter"

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1 meter = 10 decimeters (multiply both sides by 10)

5 meters = 50 decimeters (multiply both sides by 5)

The teacher can get 50 pieces out of the roll of paper

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3 years ago
A courier service advertises that its average delivery time is less than six hours for local deliveries. A random sample of size
Diano4ka-milaya [45]

Answer, Step-by-step explanation:

According to the exercise, we evaluate the delivery time of a courier company and we will hypothesize the best case with a sample size of 10, which is:

Small sample T test for single mean

The hypothesis that we will develop will be the following:

null hypothesis = mu> = 6

hypothesis alternativa: <6

3 0
3 years ago
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