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Art [367]
3 years ago
11

Which expression can be used to model the phrase “the sum of three and a number”?

Mathematics
1 answer:
Airida [17]3 years ago
5 0

Answer:

3+x

Step-by-step explanation:

because the word sum is only used in addition.

hope it helps! :)

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a jar contains 6 jellybeans, 4 green jellybeans, and 4 blue jelly beans. if we choose a jellybean, then another without putting
posledela
Probability first one is blue is 4/6+4+4=4/14
the second one is also blue is 4-1/6+4+4-1=3/13

The probability of getting blue both time is 4/14*3/13=12/182=0.0659=6.59%

Answer:
0.0659 or 6.59%
8 0
3 years ago
The figures are similar. Find x.
Luda [366]

Answer:x=16.5

Step-by-step explanation:

22divided by 4 is 5.5

5.5 times 3 is 16.5

4 0
3 years ago
Consider the function f ( x ) = 1 − 4 x 2 on the interval [ − 1 , 3 ] . Find the average or mean slope of the function on this i
Blababa [14]

Answer:

The average slope is 8.

Step-by-step explanation:

Let <em>f</em> be defined on the closed interval [a, b]. The average slope of <em>f </em>between a and b is the quotient

                                       average slope = \frac{f(b)-f(a)}{b-a}

To find the average slope of the function f(x)=1-4x^2 on the interval [-1, 3] you have to evaluate your function in the interval and then divide by the interval.

So,

f(-1)=1-4(-1)^2=-3\\\\f(3)=1-4(3)^2=-35

The average slope is  \frac{f(3)-f(-1)}{3+1}= \frac{-3+35}{3+1}=\frac{32}{4}=8

4 0
3 years ago
Which statement is NOT true about the ratio of the leg lengths of increment ΔLRM and increment ΔJSK?
Alona [7]
Given the similar triangles, it can always be noted that similarity can be derived from the proportionality of the leg lengths, however it is not true the the ratio of the proportion of the leg lengths is equal to the slope of the triangles. Thus the false statement is:
A]  <span>The slope of the hypotenuse is represented by the ratio of the leg lengths.</span>
7 0
4 years ago
There are 15 boys and 15 girls at a party. Each boy shakes hands with exactly five people and each girl shakes hands with exactl
vlabodo [156]

Answer:

180 I think

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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