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OLga [1]
3 years ago
9

I need the answer asap....

Mathematics
1 answer:
USPshnik [31]3 years ago
4 0

Answer:

x=9

Step-by-step explanation:

ABC is the sum of the angles CBD and ABD. So:

\angle ABC=\angle CBD+\angle ABD

Substitute them for their equations:

(-7x+241)=(-4x+123)+(154-7x)

Solve for x. Combine like terms on the right:

-7x+241=-11x+277

Add 11x to both sides:

4x+241=277

Subtract 241 from both sides:

4x=36

Divide both sides by 4:

x=9

The value of x is 9.

And we're done!

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Work out the size of angle x please!
julia-pushkina [17]

Answer:

x=13

Step-by-step explanation:

one angle of triangle=85

parallel lines and vertical angles

the second angle is 82:

sum of angles of the triangle=180

x+85+82=180

x+167=180

x=180-167

x=13

4 0
3 years ago
-4x+5y=17 4x+6y=-6 solve using elimination<br><br>SHOW WORK
Ber [7]

-4x+4x +5y +6y = 17-6

11y=11

divide both side by 11 to isolate y

y=1

4x+6(1) = -6

subtract 6 on both sides

4x=-12

divide 4 on both sides

x=-3

3 0
3 years ago
You draw a card from a deck. If you get a diamond, you win nothing. You lose $2 if getting a heart. If you got a spade, you win
tino4ka555 [31]

Answer:

Step-by-step explanation:

Let  X = amount you can win at this game (# of dollars you can win)

x = (0, -2, 6, 10, 15)

  • P(X=0) = P(probability of picking a diamond) = 13/52 = .25
  • P(X=-2) = P(probability of picking a heart) = 13/52 = .25
  • P (X= 6) = P(probability of picking a spade) = 13/52 = .25
  • P(X=10) = P(probability of picking a club) = 12/52 ≈ .231
  • P(X=20) = P(probability of picking the ace of clubs) = 1/52 ≈ .019

Probability Distribution of X

x p(X = x) Decimal

0 13/52 0.25

-2 13/52 0.25

6      13/52       0.25

10 12/52 0.231

15 1/52         0.019

Total  52/52   1.00

3 0
3 years ago
What Typographic grid?
ahrayia [7]

Answer:

A typographic grid shows the area of the store.

Step-by-step explanation:

3 0
4 years ago
The expression shown is the cost a custom pays for an item, where c is the cost the store which expression is equivalent c+0.85c
HACTEHA [7]

Answer: Option D.

Step-by-step explanation:

You know that the expression given in the exercise represents the cost a custom pays for an item. This is:

c+0.85c

As you can see, the expression has two terms, and the variable is the cost <em>c.</em>

<em> </em>The variable of the first term is <em>c</em> and the coefficient is 1.

The variable of the second term is <em>c</em> and the coefficient is 0.85

As both are like terms, you can add the coefficients. Therefore, you obtain the following equivalent expression:

1.85c

5 0
3 years ago
Read 2 more answers
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