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MissTica
2 years ago
7

Need help with this questions

Mathematics
1 answer:
lora16 [44]2 years ago
3 0

Answer:

8.2cm

Step-by-step explanation:

Using SOH CAH TOA

cos theta = adjacent/hyp

cos 47 = h/12

h = 12cos47

h = 12(0.6819)

h = 8.18

Hence the height h to 1 dp is 8.2cm

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What is the value of x?<br> 40°<br> (6x + 2)
Anvisha [2.4K]

Answer:

x = 8

Step-by-step explanation:

40 + 6x + 2 = 90   {Complementary angles}

Combine like terms

40+ 2 + 6x = 90

     42 +6x = 90         {Subtract 42 form both sides}

             6x = 90 - 42

             6x = 48       {divide both sides by 6}

        6x/6 = 48/6

             x = 8

6 0
3 years ago
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11) x – 3y = 3<br> How do you graph it?
kvv77 [185]

Hey!

------------------------------------------------

x – 3y = 3 is written in standard form. We can write in the slope-intercept form.

x - 3y = 3

x - 3y - x = 3 - x

3y = 3 - x

3y/3 = 3/3 - 3/x

y = 1 - 3/x

y = 1/3x - 1

Now, we know that the y-intercept is -1 and the slope is 1/3

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Hence, the answer is \Large\boxed{\mathsf{In~picture}}

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Hope This Helped! Good Luck!

8 0
3 years ago
At a candy store, Erika bought 3 kilograms of cinnamon red hots and 1 kilogram of gummy bears for $21.00. Meanwhile, Irene bough
mel-nik [20]
Cinnamon Red Hots- $4 per pound.
Gummy Bears- $9.
8 0
3 years ago
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11 = -d + 15<br> PLEASE ANSWER FAST
Oksanka [162]

Answer:

<h2>d=4</h2>

Step-by-step explanation:

Let's solve your equation step-by-step.

11=−d+15

Step 1: Flip the equation.

−d+15=11

Step 2: Subtract 15 from both sides.

−d+15−15=11−15

−d=−4

Step 3: Divide both sides by -1.

−d/−1=−4/−1

4 0
3 years ago
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Light bulbs cost £2.90 each.
s344n2d4d5 [400]

Answer:

$2.60

Step-by-step explanation:

first you need to see how many time 2.90 goes into 20 it is 6, so then you multiply 2.90 times 6 and get 17.40. Lastly you subtract 17.40 from 20 to get 2.60

Hope this helps

7 0
3 years ago
Read 2 more answers
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