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3 years ago

- 7th Grade Work - Please answer if it's a, b, c, or d. Please help ; - ;

Mathematics

2 answers:

m_a_m_a [10]3 years ago

8 0

Answer:

D. 2x + 5

Step-by-step explanation:

Let’s solve: 6x - 4x + 5

1) collect like terms:

(6-4)x + 5

2) subtract:

Our answer: 2x + 5

And that’s it! Hope this helped, have a good day!

mina [271]3 years ago

5 0

Is would be a I think because if you times those to numbers you get 20

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Monica [59]

Answer:

$\theta = 82.2^\circ$

Step-by-step explanation:

$Let \ \angle BAC = \theta$

Opposite = BC ,

Adjacent = AB = x = 3 ,

Hypotenuse = AC = y = 22

<em><u>Using trigonometric ratios.</u></em>

$sin \theta = \frac{opposite}{hypotenuse }\\\\cos \theta = \frac{adjacent}{hypotenuse}\\\\tan \theta = \frac{opposite}{adjacent}$

Since we have adjacent and hypotenuse we use cosine's ratio

to find the angle.

$cos \theta = \frac{x}{y} = \frac{3}{22} \\\\\theta = cos^{-1} \frac{3}{22} = 82.16 = 82.2^\circ$

6 0

3 years ago

Whats 25 ÷ 5 and 45 ÷ 9

Murljashka [212]

25 divided by 5 is 5, 45 divided by 9 is 5

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3 years ago

Need help fast please with these 5 questions

vredina [299]

Answer:

1. n = -5

2. n = 6

3. n = 3

4. n = 5

5. n = 0

6 0

3 years ago

4/7 of the birthday cake was eaten on your birthday. the next day your dad ate 1/2 of what was left. you get to finish the cake,

luda_lava [24]

During the birthday 4/7 of the cake was eaten so it remained 1-4/7=3/7
the next day 1/2 of 3/7 was eaten what remained is 3/7 divide by 1/2
to divide we invert the second fraction (1/2) and multiply 3/7
3/7 x 2/1=6/7

6 0

3 years ago

What’s the area of this rectangle?

djverab [1.8K]

Answer:

33 cm

Step-by-step explanation:

To find area you multiply the length by the width

11x3=33

4 0

2 years ago

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