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stira [4]
2 years ago
10

I need help with this one please

Mathematics
2 answers:
Tpy6a [65]2 years ago
8 0
\bold{ANSWER:}
x = 110/12

\bold{SOLUTION:}

Mamont248 [21]2 years ago
4 0
Answer- x=9.16 x signifies how much more money the student needs to add to the $20 to reach 350 in 12 months.

Explanation- divide both sides by 12, then subtract 20.
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What is 10000 x .45 grams
motikmotik

4,500 grams

10,000 * .45 = 4,500

Hope this is the answer you're looking for.

7 0
3 years ago
What is the name of the shape graphed by the function r^2=9 cos(2 theta)?
Lady bird [3.3K]

<span>The name of the shape graphed by the function r ^ 2 = 9 cos (2 theta) is called the “<u>lemniscate</u>”. A lemniscate is a plane curve with a feature shape which consists of two loops that meet at a central point. The curve is also sometimes called as the lemniscate of Bernoulli. </span>


Explanation:

The period of coskθ is 2π/k. In this case, k = 2 therefore the period is π.

r ^ 2 = 9 cos 2θ ≥0 → cos 2θ ≥0. So easily one period can be chosen as θ ∈ [0, π] wherein cos 2θ ≥0.

As cos(2(−θ)) = cos2θ, the graph is symmetrical about the initial line.

Also, as cos (2(pi-theta) = cos 2theta, the graph is symmetrical about the vertical θ = π/2

A Table for half period [0,π4/] is adequate for the shape in Quarter1

Use symmetry for the other three quarters:

(r, θ) : (0,3)(3/√√2,π/8)(3√2/2,π/6)(0,π/4<span>)</span>

5 0
3 years ago
paris attempted to solve an inequality but made one or more errors. her work and the graph she drew are shown in the photo.What
Romashka [77]

Answer:

One of the errors that I saw was that she multiplied by -5 instead of dividing

Step-by-step explanation

4 0
3 years ago
PLEASE HELP!!!
Natalija [7]

Answer:

the probability of that is 50%

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
1. Students who attended a track and field meet were polled, and 75% of them said that track and field meets are more fun to att
IRINA_888 [86]

Answer:

Part 1: It is not a valid conclusion to say that track and field sports are more popular than soccer based on the survey. The survey was taken at a track and field event so the people that were surveyed are probably biased.

Part 2: A better way of determining which sport is more popular is by counting how many people show up to each event and comparing the results.  

6 0
3 years ago
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