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2 years ago

Use the rule y=-x+7to fill in the blank (1,y) is on the graph,then y=

Mathematics

2 answers:

stiks02 [169]2 years ago

7 0

Answer:

y=6

Step-by-step explanation:

y = -x+7

We have the point (1,y)

That means x=1 and we want to find y

Let x=1

y = -1+7

y = 6

The point is (1,6) where x=1 and y =6

Anon25 [30]2 years ago

6 0

Y = 6 because - ( 1 ) + 7 = 6

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Please help!!!! Sine and cosine ratios

Kipish [7]

Answer: 40.9

Step-by-step explanation:

Given

angle given is $23^{\circ}$

$RC=16$

Using trigonometry

$\Rightarrow \sin 23^{\circ}=\dfrac{RC}{PC}\\\\\Rightarrow \sin 23^{\circ}=\dfrac{16}{X}\\\\\Rightarrow X=\dfrac{16}{\sin 23^{\circ}}\\\\\Rightarrow X=40.948\approx 40.9$

Using cosine formula

$\Rightarrow \cos 23^{\circ}=\dfrac{PR}{X}\\\\\Rightarrow PR=40.9\times \cos 23^{\circ}\\\Rightarrow PR=37.69\approx 37.7$

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2 years ago

Falisha spent 2/5 of her money on a bag. she gave 2/3 of the remaining amount to her sister. What fraction of her money was she

alukav5142 [94]

Answer:

1/5

Step-by-step explanation:

After spending 2/5 of her money on a bag, she has 3/5 of the original amount of money left. As she gave 2/3 of the remaining amount of money to her sister, she gave 2/5 of the original amount of money to her sister (3/5 × 2/3 = 2/5). Therefore, there's only 1/5 (1 - 2/5 - 2/5 = 1/5) of the original amount of money left in her bag.

5 0

2 years ago

find the volume of the oblique cylinder with a=10cm h=17cm do not include units in your answer use 3.14 and round your answer to

Fittoniya [83]

Radius squared × pi × height.

5 0

2 years ago

Evaluate r2 for for = 3.14 and r = 3.

Sonbull [250]

//I take it you're trying to find the area or circumference of a circle, so I'll do both.

$\pi$ $r^{2}$ = area
3.14 * $3^{2}$ = 28.26 (2 d.p)

2 $\pi$ r = circumfrence
2 * 3.14 * 3 = 18.84 (2 d.p)

3 0

3 years ago

Read 2 more answers

How do I solve : -1+3(2x-5)

Murrr4er [49]

Answer: x= -7

Step-by-step explanation:

-1+3(2x-5)

-1 + 6x - 15

6x= -15 + 1

6x = -14

x = -14

divided 2

x= -7

5 0

2 years ago