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Marat540 [252]
3 years ago
15

If x is a prime number then x+1 is not a prime number

Mathematics
2 answers:
s2008m [1.1K]3 years ago
8 0
1 come on that's seems like it but it could be three too
MissTica3 years ago
5 0
0 1 or 2 are all counter examples
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Randall wants to mix 50 lb of nuts worth $2 per lb with some nuts worth $7 per lb to make a mixture worth $6 per lb. How many po
defon

A = nuts of $2/lb

B = nuts of $7/lb


let's say we'll mix "x" lbs of B to get a mixture with A of "y" lbs, therefore


\bf \begin{array}{lcccl} &\stackrel{lbs}{quantity}&\stackrel{\textit{cost}}{per~lb}&\stackrel{\textit{cost}}{total}\\ \cline{2-4}&\\ A~ nuts&50&2&100\\ B~nuts&x&7&7x\\ \cline{2-4}&\\ mixture&y&6&6y \end{array} \\\\\\ \begin{cases} 50+x=\boxed{y}\\ 100+7x=6y \end{cases}\qquad \qquad \implies 100+7x=6\left( \boxed{50+x} \right) \\\\\\ 100+7x=300+6x\implies \blacktriangleright x=200 \blacktriangleleft

3 0
3 years ago
Find the angle complementary to the angle 80°. A. 90° B. 180° C. 10° D. 100°
Alex_Xolod [135]

Complementary Angles is a pair of any two acute angles that add up to make 90 degrees


90-80 = 10

 the angle is 10 degrees

C is the correct answer

4 0
3 years ago
Read 2 more answers
Lee wanted to equally share his pizza with his 3 sisters. What fraction of the pizza does he and each sister receive?
xxMikexx [17]

Answer:

He and each of his sisters will recieve 1/4 of the pizza

Step-by-step explanation:

5 0
3 years ago
Which question should you expect to be answered with variable data?
Valentin [98]

Answer:

The correct answer is the last one.

Step-by-step explanation:

Variable data is any kind of information gathered that can be made into a chart or graph representing what was collected. In other words, the data collected must vary.

The first, second, and third answers cannot be made into a chart/graph as it would be a singular number, and not provide varying data (which is required to produce a graph/chart).

The last answer would be correct as one can create a chart as the data collected from that question would vary. For example, five family members could be born in July, six in August, and ten in October. The variable that is "varying" would be these months.

Hope this helps!

6 0
3 years ago
I need help. Can you help me ?
natita [175]
The value of X would be 3.6 because if you divide the 4 by 2 to get the half triangle you now know the base and height for the triangle. Now you have to use tangent -1 to figure out the bottom right angle which is 56.3 degrees. Once you have the angle you can use Sin to figure out the missing side.
5 0
3 years ago
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