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Vitek1552 [10]
2 years ago
10

Question 3

Mathematics
1 answer:
puteri [66]2 years ago
5 0

Answer:

18 inches = 1.5 feet

8 inches = 2/3 foot

y = 1.5 + (2/3)x

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Jamal worked over summer at his dads office. He earned $2200 total. He is planning on spending his money on a $50 per month gym
Tju [1.3M]

Answer: He will have $1974 in April.

Step-by-step explanation:

Given : Total money he earned =  $2200

He spent $50 per month gym membership, a $68 monthly phone plan $48 monthly gas plan and $60 monthly fun plan.

So , Money he has left  = Money he earned - Total expenditure

= $ ( 2200- (50+68+48+60))

=  $ (2200- 226)

= $ 1974

Hence, He will have $1974 in April.

3 0
2 years ago
Mia is standing 210 yd from a radio tower.
Artyom0805 [142]

height = tan(11) x 210

height = 40.81 yards

 rounded to nearest tenth = 40.8 yards

4 0
3 years ago
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Find the exact values of a) sec of theta b)tan of theta if cos of theta= -4/5 and sin<0
Gre4nikov [31]

Answer:

Using trigonometric ratio:

\sec \theta = \frac{1}{\cos \theta}

\tan \theta = \frac{\sin \theta}{\cos \theta}

From the given statement:

\cos \theta = -\frac{4}{5} and sin < 0

⇒\theta lies in the 3rd quadrant.

then;

\sec \theta = \frac{1}{-\frac{4}{5}} = -\frac{5}{4}

Using trigonometry identities:

\sin \theta = \pm \sqrt{1-\cos^2 \theta}

Substitute the given values we have;

\sin \theta = \pm\sqrt{1-(\frac{-4}{5})^2 } =\pm\sqrt{1-\frac{16}{25}} =\pm\sqrt{\frac{25-16}{25}} =\pm \sqrt{\frac{9}{25} } = \pm\frac{3}{5}

Since, sin < 0

⇒\sin \theta = -\frac{3}{5}

now, find \tan \theta:

\tan \theta = \frac{\sin \theta}{\cos \theta}

Substitute the given values we have;

\tan \theta = \frac{-\frac{3}{5} }{-\frac{4}{5} } = \frac{3}{5}\times \frac{5}{4} = \frac{3}{4}

Therefore, the exact value of:

(a)

\sec \theta =-\frac{5}{4}

(b)

\tan \theta= \frac{3}{4}

7 0
3 years ago
Which expression is equivalent to 18x + 45
xz_007 [3.2K]
Maybe 3(6x+15)

not sure what you're looking for
6 0
2 years ago
Read 2 more answers
Write the polynomial 4x^2 - 6x^6 + 2x^3 +12 - 5x^3 + 4x^4 in standard form
Fofino [41]

Answer:

-6x^6 + 4x^4 - 3x^3 + 4x^2 + 12

Step-by-step explanation:

-6x^6 + 4x^4 - 5x^3 + 2x^3 + 4x^2 + 12

-6x^6 + 4x^4 - 3x^3 + 4x^2 + 12

5 0
3 years ago
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