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storchak [24]
3 years ago
6

If ∠x= 55, then find the values of a, b, c and d

Mathematics
1 answer:
AnnyKZ [126]3 years ago
8 0

Answer:

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If a/b = c/d, then ad = bc.
Nikolay [14]

Answer:

The statement is true

see the explanation

Step-by-step explanation:

we have the proportion

\frac{a}{b}=\frac{c}{d}

we know that

To solve the proportion multiply in cross

so

(a)(d)=(b)(c)

ad=bc

therefore

The statement is true

7 0
4 years ago
Find the value of x.<br> 50°<br> Type the correct answer, then<br> press Enter
Yuri [45]

Answer:

x=65

Step-by-step explanation:

the sum of the angles of any triangle is equal to 180°. So, we do 180-50= 130. Then we divide 30 by two because there are two remaining angles so 130/2=65. x=65

6 0
3 years ago
I need to know of an expression, that also uses an exponent that is equivalent to 5^-3
strojnjashka [21]

Answer:

1/5^3

\frac{1}{5^{3} }

Step-by-step explanation:

I'm not sure how to explain this, but if there is a negative exponent, then it can be written like this, as the denominator of a fraction.

5 0
3 years ago
PLEASE HELP TEST IS TIMED
DaniilM [7]

45.5

hope it help thanks

6 0
3 years ago
What is anequation of the line that passes through the points (-3, 8) and (-7,8)?
zaharov [31]

The equation of a line is given by the expression:

y=Mx + b

This is the slope form of an equation where M is the gradient of line and b is the y intercept.

For the slope, M= change in y values/ change is x values

(-3,8) , (-7,8) thus the slope m,=(8-8)/(-7--3)

m=0/-4 =0

the slope is 0

To find the b substitute the values in the equation y=Mx+b

Taking point (-3,8) and slope of 0

y=Mx+b

8=0*(-3) + b

8=0+b

8=b

The value of b is 8

The equation of the line will be;

y-8=0(x+3)y-8=0y=8

The equation of the line is y=8

7 0
1 year ago
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