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3 years ago

13

Use the ten frame to make a

1 answer:

FromTheMoon [43]3 years ago

6 0

Answer:6 pens are blue

Step-by-step explanation:because 14-8=6 pens would be left and would be blue

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A guy wire to a tower makes a 72 degrees angle with level ground. At a point 30 ft farther from the tower than the wire but on t

Andreyy89

So.. checking the picture below

we can say y = y, or just do a substitution and end up with

$\bf tan(72^o)=tan(30^o)(30+x)\implies 3.08x=\cfrac{30}{\sqrt{3}}+\cfrac{1}{\sqrt{3}}x
\\\\\\
3.08x-\cfrac{1}{\sqrt{3}}x=\cfrac{30}{\sqrt{3}}\implies 2.5x\approx 17.32\implies x\approx \cfrac{17.32}{2.5}$

once you know, how long is "x", then you can simply use the cosine of 72° to get "r"

thus $\bf cos(\theta)=\cfrac{adjacent}{hypotenuse}\qquad cos(72^o)=\cfrac{x}{r}\implies r=\cfrac{x}{cos(72^o)}$

6 0

4 years ago

Read 2 more answers

How do you find the dimension of a triangle

nexus9112 [7]

Determinati x € R astef incat 1 supra 9= 16

4 0

4 years ago

Emma earns $12 an hour babysitting. She wants to save at least $180. Write and solve and inequality to find the minimum number o

zaharov [31]

Answer:

15 hours

Step-by-step explanation:

180 ÷ 12 = 15

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Can I have brainlest please?

6 0

3 years ago

Evaluate, if <br> a = -2 and b = -6<br><br> What is <br><br> |a| • |b|

julia-pushkina [17]

Answer:

12

Step-by-step explanation:

normally multiplying -2 and -6 would be -12 but

when || is used the negative number turn positive

so the answer is 12

3 0

4 years ago

Read 2 more answers

A certain college graduate borrows $8000 to buy a car. The lender charges interest at an annual rate of 10%. Assuming that inter

MaRussiya [10]

Answer:

The payment is $k=\$3216.92$ .

Interest paid during the 3-year period is $I_{T}=\$1651.76$

Step-by-step explanation:

Hi

<u>The Payment amount</u>

We are going to use the formula below with $VP=\$8000, i=10\%$ and $n=3$ .

$k=\frac{VP}{[\frac{1-(1+i)^{-n}}{i}] } =\frac{8000}{[\frac{1-(1+0.1)^{-3}}{0.1}] }=3216.92$

<u>Interest paid during the 3 year</u>

<u>First period</u>

$I_{1}=VP*i=8000*0.1=800$

$CS_{1}=k-I_{1}=3216.92-800=2416.92$

$Balance_{1}=VP-CS_{1}=8000-2416.92=5583.08$

<u>Second period</u>

$I_{2}=B_{1}*i=5583.08*0.1=558.31$

$CS_{2}=k-I_{2}=3216.92-558.31=2648.61$

$Balance_{2}=VP-CS_{2}=5583.08-2648.61=2924.47$

<u>Third period</u>

$I_{3}=B_{2}*i=2924.47*0.1=292.45$

Sum of Interest paid during the 3 years

$I_{t}=I_{1}+I_{2}+I_{3}=800+558.31+292.45=1651.76$

5 0

4 years ago