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Paul [167]
3 years ago
14

Angle ABC is a right angle. Write and solve an equation to determine the value of the variable, x. Then determine the measures o

f ∠ABD and ∠DBC. SHOW ALL WORK *

Mathematics
2 answers:
Nookie1986 [14]3 years ago
6 0
You are told that the triangle is a right triangle so you know that the angle ABC is 90 degrees. From there you can say that the edition of both expressions will be equal to 90. You use this information to create an equation as the one I showed and solve for x using distributive property, combining like terms, opposite operations and commutative property. Once you have the value of x you can substitute into each expression to find out the measurement of ABD and DBC

Gnesinka [82]3 years ago
6 0

Answer:

3(x+8) + 2x -4

3x +24+ 2x -4

3x+2x+24-4

5x+20

5x +20=90

5x=90-20

5x=70

5x/5= 70/5

x=14

<ABD= 66°

3(14+8)

3× 22

=66

<DBC= 24°

2(14)-4

2×14-4

28-4

=24

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Which polynomials are in standard form
IceJOKER [234]
I believe your answer is b.
5 0
2 years ago
Read 2 more answers
There's 6 times as many dogs as cats.If the total number of dogs and cats is 35, how many dogs are there?
Jlenok [28]

Let cats = X

Then doges = 6x ( 6 times as many cats, so multiply 6 by number of cats)


Now you have X + 6X = 35  ( number of cats plus number of doags equal 35)

X +6x = 35

Simplify:

7X = 35

Divide both sides by 7 to solve for x:

X = 35 / 7

X = 5

Cats = X, so there are 5 cats.

Dogs = 6X = 6(5) = 30 total dogs.


6 0
3 years ago
A line whose slope is 4 and passes through the point (0, -9) lies on the line whose equation is:
Romashka-Z-Leto [24]

Answer:

y = 4x - 9

Step-by-step explanation:

Use the formula:

y = mx + b

Where m is the slope, b is the y-intercept.

The slope is 4.

y = 4x + b

The y-intercept is -9 because it passes through (0, -9).

y = 4x - 9

7 0
4 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!
serious [3.7K]

i^2 = -1

so

√-49

= √49i^2

= 7i

5 0
3 years ago
Assume each newborn baby has a probability of approximately 0.53 of being female and 0.47 of being male. For a family with four
Vitek1552 [10]

Answer:

0.3723

Step-by-step explanation:

Since the number of girls = X

Probability of girls p = 0.53

Probability of boys q = 0.47

Number of observation n = 4

A) conditions for binomial distribution are

1: The number of observations n must be fixed.

2: Each observation is independent. 3: Each observation represents one of two outcomes ("success" or "failure").

B) for the question n = 4

p (probability of success for girls) = 0.53

C) n=4, r (number of trials) = 2

Using binomial expansion

4C2 *(p)² *(q)² = 6* (0.53)² * (0.47)²

= 0.3723

Therefore, the probability of the family having two boys and two girls is 0.3723.

5 0
3 years ago
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