MATHEMATICS MIDDLE SCHOOL

Find x

Need gelppppppppppp
Find x Need gelppppppppppp - 1

Answers

Answer 1
Answer:

Answer:

The Value of x is 10.

Step-by-step explanation:

Consider ABCD is a Parallelogram where

∠BCA = 43°

∠CBA = 98°

∠ACD = (2x+9)

To Find:

x = ?

Solution:

Triangle sum property:

In a Triangle sum of the measures of all the angles of a triangle is 180°.

In ΔABC

\angle ABC+\angle BCA+\angle CAB=180\n\n98+43+\angle CAB=180\n\therefore m\angle CAB =180-141=39\°

Now CD || BA         .......opposite sides of Parallelogram is parallel

\angle CAB=\angle ACD.........Alternate Angles are equal

Substituting the values we get

39=2x+19\n2x=20\n\n\therefore x=(20)/(2)=10\n\n\therefore x=10

The Value of x is 10.

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1.901, 1.091, 1.9, 1.991, 1.919, 1.019 from least to greatest plz
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Which algebraic expression represents the sum of 6 and one fifth of x?
Which options could be the next step in simplifying this expression?5 • (2 + 4)Choose exactly two answers that are correct.A.(5 • 2) + 4 (use the associative property)B.5 • 2 + 4 (use the distributive property)C.5 • 6 (use order of operations)D.5 • 2 + 5 • 4 (use the distributive property)

What is 1e -5e+10e= then +9e

Answers

1e-5e+10e=6e
6e+9e=15e
The answer to your expression is 15e

A bottlenose dolphin is 10 feet below sea level. Then it begins to dive at a rate of 9 feet per second. What is the equation of the line that represents its elevation, y, after x seconds?A.
y = 9x − 10
B.
y = -9x − 10
C.
y = 9x + 10
D.
y = -9x + 10

Answers

B is the correct answer

Answer:

B. y=-9x-10

Step-by-step explanation:

The dolphin is starting 10 feet below sea level so the y-intercept (or b in slope-intercept form) would be negative 10. Diving means going down, or a negative slope, so the slope would be -9. When you plug those numbers into y=mx+b, you would get y=-9x-10.

NEED HELP!!!!

1/4x^2=27/4

Answers

Multiple both sides by 4 and it will cancel out the 4 on the 27/4 and the 4 in the 1/4 leaving 1x^2=27 then you square root both sides and your final answer will be x=-3 square root 3 AND x=3 square root 3

Which describes the relationship between 20,000 and 200,000?

Answers

200,000 is ten times greater then 20,000

a swimmer swam 48 kilometers in d days. What is the value of the d if the swimmer swam an average of 3.2 kilometers daily?

Answers

Time= distance/speed

=48/3.2= 15

Sara cut off 1/8 of a 48-inch piece of ribbon. Jane cut off 1/9 of a 36-inch piece of ribbon. They compared their cut pieces. Whose piece is longer? How much longer? 

Answers

Sara cut biggert part, and her ribbon was longer.

(1)/(8) * 48= (48)/(8) =6 \n(1)/(9) * 36= (9)/(36) =4 \n6>4 \n6-4=2
Sara's piece was longer by 2 inches.

Answer:

Sara's by one whole

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