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Sever21 [200]
3 years ago
15

Someone can help me, pleasee​

Mathematics
1 answer:
eimsori [14]3 years ago
7 0

Answer:

x+y-10 -1

Step-by-step explanation:

if x is 3 and y is 6 then 3+6= 9

9-10=-1

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If angle ABD is 90 degrees. Select all of the angles that measure 42 degrees.
m_a_m_a [10]

Answer:

Measure of angle 2 and angle 4 is 42°.

Step-by-step explanation:

From the figure attached,

m∠ABC = 42°

m(∠ABD) = 90°

m(∠ABD) = m(∠ABC) + m(∠DBC)

90° = 43° + m(∠DBC)

m(∠DBC) = 90 - 43 = 47°

Since ∠ABC ≅ ∠4 [Vertical angles]

m∠ABC = m∠4 = 42°

Since, m∠3 + m∠4 = 90° [Complimentary angles]

m∠3 + 42° = 90°

m∠3 = 90° - 42°

        = 48°

Since, ∠5 ≅ ∠3 [Vertical angles]

m∠5 = m∠3 = 48°

m∠3 + m∠2 = 90° [given that m∠2 + m∠3 = 90°]

m∠2 + 48° = 90°

m∠2 = 90 - 48 = 42°

m∠3+ m∠4 = 90° [Since, ∠3 and ∠4 are the complimentary angles]

48° + m∠4 = 90°

m∠4 = 90 - 48 = 42°

Therefore, ∠2 and ∠4 measure 42°.

5 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csqrt%7B200%5C%5C" id="TexFormula1" title="\sqrt{200\\" alt="\sqrt{200\\" align="absmiddle"
Yuri [45]
Do sqrt(100) * sqrt(2)
Which will be 10 * sqrt(2)
4 0
3 years ago
Read 2 more answers
44 points in 4 quarters
IgorLugansk [536]
<span>
28 11 points in 1 quarter because 44/4=11 which is 11/1</span>
4 0
3 years ago
The annual household cost of telephone service in the US increased at a relatively constant rate of $27.80 per year from 1981 to
Serjik [45]
B: 914-20(27.80)=X, multiply: 20(27.80)=556, 914-556=$358 :A.

C: 914-27.80=$886.20 :)
3 0
3 years ago
1) -5 + -3 x (-1/4) x 8 can you guy help me pls <br><br><br> 2)-2.2 x (-2) / ( -1/4) X 5
eimsori [14]

Answer:

What day heck are you learning?! I have tried doing this my brain hurts sorry bro

Step-by-step explanation:

8 0
3 years ago
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