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nasty-shy [4]
3 years ago
15

I need help please !!!!!

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
6 0
I think it’s D is the answer
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How do you solve problem?
Eduardwww [97]
Here's a graph of the 2 equations you provided. Hope this helps!

7 0
4 years ago
Tonya is staring a jewelry business. She is going to sell b bracelets for $12.50 each and n necklaces for $22.50. Tonya wants to
marysya [2.9K]

Answer:

C 12.50b+22.50n≥800

Step-by-step explanation:

Tonya is staring a jewelry business. She is going to sell b bracelets for $12.50 each and n necklaces for $22.50. Tonya wants to make at least $800 a month.

When we use the word at least in Mathematics is means that it is equal to or more than $800.

It is represented by the symbol ≥

Number of bracelets = b

Number of necklaces = n

Therefore, the inequality below models this situation is given as:

$12.50 × b + $22.50 × n ≥ $800

= 12.50b + 22.50n ≥ 800

Option C is correct.

3 0
3 years ago
9. What is the system of equations that describes the following graph?
jeka94

The graph represented in the figure shows a set of linear equations each of which is represented a straight line.

Step-by-step explanation:

System of Equation can be referred to as an assortment of equations to be dealt with. Common examples include linear equations and non-linear equations such as a parabola, hyperbola etc.

Linear set of equations are the most simple of equation depicting a linear relationship between two variables.

E.g.  Y=4x+3

here y and x share a linear relationship which is defined by the straight-line graph "4x+3"

Similarly in the graph lines, two straight lines are depicted which symbolises that the et of the equation is linear in character.

3 0
4 years ago
Find the perimeter when 84 triangles are put together in the pattern shown below. Assume that all triangle sides are 1 cm long.
gogolik [260]

Answer:

86 cm.

Step-by-step explanation:

If we add  1 more triangle to one in the picture we that:

If we  place 6 triangles together  the perimeter will be  6 + 2 = 6

for 8 triangles the perimeter is 10 .

For 84 the perimeter will be 86 cm.

8 0
3 years ago
Read 2 more answers
In a recent survey, 66% of the community favored building a health center in their neighborhood. Suppose 12 citizens are randoml
ipn [44]

Answer:

0.1197 = 11.97% probability that exactly 10 of the 12 individuals favor building the health center

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

66% of the community favored building a health center in their neighborhood.

This means that p = 0.66

12 citizens

This means that n = 12

What is the probability that exactly 10 of the 12 individuals favor building the health center?

This is P(X = 10).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 10) = C_{12,10}.(0.66)^{10}.(0.34)^{2} = 0.1197

0.1197 = 11.97% probability that exactly 10 of the 12 individuals favor building the health center

4 0
4 years ago
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