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Kisachek [45]
4 years ago
9

Simplify the expression explain each step 10+(2+y)

Mathematics
1 answer:
cestrela7 [59]4 years ago
3 0

Answer:

12y

Step-by-step explanation:

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CHECK MY ANSWERS PLEASE!!
lukranit [14]

Answer:

1. A) OPS is congruent to RSU

2. C) RSP is congruent to TSU

Step-by-step explanation:

1. Since OQ and RT are parallel lines that are cut across by the transversal line, NU, therefore, angle OPS and angle RSU are corresponding angles formed. Corresponding angles are congruent.

✅Therefore: A) OPS is congruent to RSU. OPTION A IS TRUE.

❌OPS and RSP are consecutive interior angles. They are not congruent. They are supplementary. So, option B is NOT TRUE.

❌OPS and OPN are linear pair angles. Linear pair angles are not congruent. They are supplementary. Therefore, OPTION B IS NOT TRUE.

OPS and TSU are also not congruent.

2. Angle RSP and angle RSU are vertical angles. Vertical angles are congruent. Therefore, the statement that IS TRUE is:

C) RSP is congruent to TSU

5 0
3 years ago
In right triangle DEF, ∠E is a right angle, m∠D=26∘, and DF=4.5.
jok3333 [9.3K]

Answer:

The measurement of EF is 1.98 units

Step-by-step explanation:

In Δ DEF

∵ m∠E = 90°

∴ FD is the hypotenuse of the triangle

∵ m∠D = 26°

∵ EF is opposite to angle D

- We can use the sine ratio to find it

∵ sin D = \frac{EF}{FD} ⇒ (opposite side / hypotenuse)

∵ FD = 4.5 units

∴ sin(26) = \frac{EF}{4.5}

- Multiply both sides by 4.5

∴ 4.5 sin(26) = EF

∵ sin 26° ≈ 0.44

∴ 4.5(0.44) = EF

∴ 1.98 = EF

The measurement of EF is 1.98 units

3 0
3 years ago
Which of the following statements is true?
sladkih [1.3K]

Answer B would be correct because DE splits AC.

4 0
3 years ago
A teacher must grade 32 reports. She can grade 4 reports in 90 minutes. How many hours will it take to grade 32 reports?
Nataly_w [17]

Answer:

The teacher will take 720 minutes or 12 hours to grade 32 reports.

Step-by-step explanation:

32 reports= x

4 reports= 90 minutes

Cross multiply method

90*32= 4x

2880= 4x

x= 720

The teacher will take 720 minutes or 12 hours to grade 32 reports.

Hope this helps!

4 0
3 years ago
Read 2 more answers
Solving absolute value inequalities requires solving compound inequalities.<br> O True<br> O False
solong [7]

Answer:

True i think. Let me know if I'm incorrect.

6 0
3 years ago
Read 2 more answers
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