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koban [17]
3 years ago
10

Please help i dont understand​

Mathematics
2 answers:
zavuch27 [327]3 years ago
7 0

Answer:3,657 boxes

Step-by-step explanation:

Multiply 1,219 by 3 because it’s 3 times as many

Sloan [31]3 years ago
3 0

Answer:

3657

Step-by-step explanation:

May has three times as many cards as Sharon does. Sharon has 1219 cards, so all you do to solve for B is multiply 1219 by 3, or add 1219+1219+1219. Either way the answer would be 3657.

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Timothy spends 2.4 hours doing his homework. He did Math, English, History, and Social studies in the ratio 2:2:3:1. How much ti
choli [55]

There are 8 parts in total by adding the ratio.  Math 2/8×2.4=0.6 hr Eng. 2/8×2.4=0.6 hr Hist. 3/8×2.4=0.9hr Social. 1/8×2.4=0.3 hr.  Add them all will get 2.4

3 0
3 years ago
Read 2 more answers
What is the perimeter of the parallelogram shown below?A.11 cmB.22 cmC.24 cmD.64 ​
erma4kov [3.2K]

Answer:

B.  22 cm

Step-by-step explanation:

Perimeter of a parallelogram is 2(l+w)

= 2(8+3)

=2(11)

=22cm

6 0
3 years ago
At the Canada Open Tennis Championship, a statistician keeps track of every serve that a player hits during the tournament. The
kondaur [170]

Answer:

a) 54 mph to 144 mph

Step-by-step explanation:

We don't know the shape of the distribution, so we use Chebyshev's Theorem to solve this question. It states that:

At least 75% of the measures are within 2 standard deviations of the mean.

At least 89% of the measures are within 3 standard deviations of the mean.

At least eight-ninths of the player's serves.

8/9 is approximately 89%

So

Mean: 99, standard deviation: 15

99 - 3*15 = 54

99 + 3*15 = 144

So the correct answer is:

a) 54 mph to 144 mph

8 0
3 years ago
Find the quadratic function that fits curve below. Select the correct answer.
raketka [301]
<h2>Hello!</h2>

The answer is:

The quadratic function that fits the given picture is:

y=-3x^{2}+13x-5

<h2>Why?</h2>

We can solve the problem and find the correct function that fits the curve below by finding which function intercepts the y-axis at -5 (we can see it from the picture), also, we need to look for a function that represents a parabola opening upwards. We need to remember that when a parabola is opening upwards, its quadratic term coefficient is negative.

So, we can see that from the given functions, the only function that represents a parabola opening upwards and its y-intercept is located at y equal to -5 is the second option:

y=-3x^{2}+13x-5

We have that :

a=-3(negative)\\b=13\\c=-5(y-intercept)

We can see that the quadratic term (a) is negative, and the quadratic function intercepts the y-axis at y equal to -5.

Hence, the answer is:

The quadratic function that fits the given picture is:

y=-3x^{2}+13x-5

Have a nice day!

Note: I have attached a picture for better understanding.

4 0
3 years ago
Question 6 of 10
Liula [17]

Answer:

A or C. Pretty sure it's A though.

Step-by-step explanation:

:)

7 0
3 years ago
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