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Mashutka [201]
3 years ago
13

Help lol. This all I need

Mathematics
1 answer:
Anton [14]3 years ago
8 0

Answer:

i cant help if i dont see the options

Step-by-step explanation:

The options for each are needed

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Given that <br> y<br> = 10 cm and <br> θ<br> = 55°, work out <br> x<br> rounded to 1 DP.
ElenaW [278]

Answer:

x=8.2

Step-by-step explanation:

First, figure out which trig function you are going to use.

In this problem you are dealing with the opposite side to the angle and the hypotenuse, and if you remember SOH CAH TOA, this requires sine.

sin (55) =opposite/hypotenuse

sin (55) =x/10

multiply both sides by 10 to get 10 * sin (55) = x

10 * sin (55) = 8.2

5 0
2 years ago
Santana went for a hike on the 21 mile South Boundary Trail. If she can hike2 miles
Katena32 [7]

Answer:

It will take santana 630 minutes or 10.5 hours to complete the 21 miles.

Step-by-step explanation:

<h3>\frac{2}{60\\} \frac{21}{y}  y is what you are trying to find multiple her miles by the number of minutes and then divided by how many miles in  60 min. </h3><h3 /><h3 /><h3> </h3>
5 0
3 years ago
Which of these can help you become a better test-taker?
Assoli18 [71]
Personally I would say C because when you take good notes you can go over what you don’t remember. You can also use your notes as a study guide.
5 0
3 years ago
Claire says that she can draw an obtuse equilateral triangle. Is she correct? Explain.
notka56 [123]
No, because an equilateral triangle is also equiangular so all sides must be 60° (60+60+60=180) and an obtuse angle is more than 90° so the triangle would not be equilateral.

Hope I Helped (:
7 0
3 years ago
Read 2 more answers
Two column proof 2n-21=n/4
natita [175]

Simplifying:

2n-21=0.25n


We move all terms containing n to the left and all other terms to the right.

+2n-0.25n=+21


We simplify left and right side of the equation.

+1.75n=+21


We divide both sides of the equation by 1.75 to get n.

n=12

4 0
3 years ago
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