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zysi [14]
3 years ago
14

I need help with Geometry

Mathematics
2 answers:
White raven [17]3 years ago
7 0

Answer:

123

Step-by-step explanation:

180-57 ( cointerior angle because opposite angle are parallel )

=123

plz make me brainliest

CaHeK987 [17]3 years ago
4 0

Answer:

123°

Step-by-step explanation:

m\angle CDA +m\angle BCD = 180\degree (Adjacent angles of a parallelogram)

57\degree +m\angle BCD = 180\degree

m\angle BCD = 180\degree - 57\degree

m\angle BCD = 123\degree

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A six-sided fair dle is rolled 4 times in a row. The probability of getting a 4 only on the last trial is ______
4vir4ik [10]

Answer:

1/6

Step-by-step explanation:

No. Of faces contains 4=1

Total no. Of faces=6

Probablity = favourable no. of outcomes/Total no. of outcomes

PLEASE GIVE BRAINLIEST

4 0
3 years ago
X:y=5:3 and x+y=56<br> work out he value of x-y
Alex

Answer:14

Step-by-step explanation:

x+y=56

x:y=5:3

Sum of ratio=5+3

Sum of ratio=8

x=5/8x56

x=(5x56) ➗ 8

x=280 ➗ 8

x=35

y=3/8x56

y=(3x56) ➗ 8

y=168 ➗ 8

y=21

x-y

35-21=14

x-y=14

3 0
4 years ago
Read 2 more answers
What is the solution to -x2 + 5x - 10 = 0?
Korolek [52]

Answer:

No solution

Explanation

−x^2+5x−10=0

Step 1: Use quadratic formula with a=-1, b=5, c=-10.

you plug it in as shown below

and simplify

when you simplify

you get

as shown below

This is no solution....

7 0
3 years ago
What is 2 equivalent ratios for 7 to 11
Strike441 [17]

Pick any number.  Multiply the 7 and the 11 both by it,
and you'll have an equivalent ratio.

Examples:

(by 2) . . . 14 to 22

(by 6) . . . 42 to 66

(by 10). . . 70 to 110

(by a million) . . . 7 million  to  11 million


7 0
4 years ago
Which expression shows twice the sum of 8 and a number n?
IRISSAK [1]
Correct Answer: A. 2(n+8).
6 0
3 years ago
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