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Alisiya [41]
2 years ago
6

Without using the formula, work out the gradient of the graph shown.

Mathematics
1 answer:
Harman [31]2 years ago
3 0

Answer:

1/3

Step-by-step explanation:

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If sin yº = 7/q and tan yº = 7/r , what is the value of cos yº? (6 points)
olya-2409 [2.1K]

Answer:

cos r/q is the answer,

Step-by-step explanation:

this can be seen when you elaborate sin=opposite/hypotenus and tan=opposite/adjacent by referring to the right angle triangle .

then, apply values of adjacent dan hypotenuse to cos

4 0
3 years ago
Find the number that makes the ratio equivalent to 7:3.<br><br><br><br>84:?
vodka [1.7K]

Answer:

36

Step-by-step explanation:

Divide 84 by 7

84 ÷ 7 = 12

Now multiply 3 by 12

3 × 12 = 36

Then

7 : 3 = 84 : 36

7 0
3 years ago
Read 2 more answers
Explain your answer !! <br> Have a nice day <br><br> Will give braisnlt
DochEvi [55]

Answer:

(-2,3)

Step-by-step explanation:

Step 1. Isolate x for 3x + 5y = 9

3x + 5y - 5y = 9 - 5y

3x = 9 - 5y

3x/3 = 9/3 - 5y/3

x= (9-5y)/3

Step 2. Simplify

-3*((9-5y)/3) + 3y = 15

-3*((9-5y)/3) = 9 - 5y = -(-5 + 9) + 3y

-9+5y+3y

-9+8y = 15

Step 3 Isolate y for -9+8y=15

-9+8y+9=15+9

8y=24

8y/8 = 24/8

y=3

Step 4 Substitute y = 3

x = (9-5*3)/3

-(6/3) = (-2)

x = -2

7 0
2 years ago
It's 2:22 in the morning for me. I'm tired but my dreams scare me. I have a huge Math anet (Test) in 6 hours. I already understa
KonstantinChe [14]
First, the best advice I can give you is to go to sleep. You pretty much know what you know, and being well-rested will help you think clearly, recall details, and avoid careless mistakes.

1) 
=(5 \times 10^3)+(2 \times 10^2)=(50 \times 10^2)+(2 \times 10^2)\\=10^2(50+2)=52 \times 100 = 5200 = 5.2 \times 10^3

2) 

=(5 \times 10^2) \times (5 \times 10^3)=5^2 \times 10^5 \\= 25 \times 100,000 = 2,500,000 = 2.5 \times 10^6
 
3) Yes, dilating with a scale factor that is less than 1 (and greater than 0) corresponds to a decrease.

4) Yes, dilating with a scale factor greater than 1 corresponds to an increase.

5) To find the slope of a scatter plot, you need to make a line of best fit, that is, the line that passes through as many points as possible and has about as many points above it as below it. Then, find two of those points that the line passes through and calculate the slope between those points. For two points (x_1,y_1) and (x_2,y_2), the slope is 
m= \dfrac{y_2-y_1}{x_2-x_1}.

This is an estimate. To find a better approximation, you can use the least-square method, but I think that probably involves higher-level math that you don't need. If you think you do need to solve it this way, just comment here and I'll explain it. Note that you can also calculate it using Microsoft Excel or a regression plot on a graphing calculator.
6 0
3 years ago
Math help me please you will be mark as the brainiest I do not have much time left
Black_prince [1.1K]
A little tip: you should put the question in next time :)!
7 0
3 years ago
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