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3 years ago

Can anyone do this? My teacher is out for a few months and sub tried to teach us this and it just did not work.

Mathematics

1 answer:

Marina86 [1]3 years ago

6 0

Graph the points that are givin

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in parallelogram abcd diagonals ac and bd intersect at point l . If Al= x-2 and ac =3x-16 , then which of the following represen

TiliK225 [7]

Answer:

The length of CI is 10 units.

Step-by-step explanation:

It is given that ABCD is a parallelogram and diagonals AC and BD intersect at point I.

The diagonals of a parallelogram bisect each other.

$AI=CI$

$AC=AI+CI$

$AC=AI+AI$ $[\because AI=CI]$

$AC=2AI$

$3x-16=2(x-2)$

$3x-16=2x-4$

$3x-2x=16-4$

$x=12$

The value of x is 12.

$CI=AI=x-2=12-2=10$

Therefore the length of CI is 10 units.

4 0

3 years ago

Is t = 9 a solution to the inequality below?<br> 8>t<br> Please hurry and explain!

dexar [7]

Answer:

Step-by-step explanation:

its 7

7 0

3 years ago

HELP PLEASE I NEED THIS FOR GRADUATION

Alexxandr [17]

√324 * √75 = √24300 = 90√3
so
90√3 / 9 = 10√3

answer is
D. last one 10√3 irrational

8 0

3 years ago

Given that y = 18 + 3x²<br> i) express x in terms of y

fgiga [73]

Answer:

$\sqrt{-6 + \frac{y}{3}} = x$

Step-by-step explanation:

y = 18 + 3x²

- 18 - 18

__________

$\frac{-18 + y}{3} = \frac{3x^2}{3} \\ \\ -6 + \frac{y}{3} = x^2 \\ \\ \sqrt{-6 + \frac{y}{3}} = x$

I am joyous to assist you anytime.

6 0

3 years ago

Write the equation in slope intercept form when slope = 6/5 and the y- intercept =-8

Ratling [72]

Step-by-step explanation:

Exercícios:

9. Sobre o estudo de equações, escreva V para as afirmações verdadeiras e F para as falsas.

a) ( ) A expressão 17 - 4x + 25 representa uma equação.

b) ( ) O número 23 representa um dos membros da equação -9x + 4 = 23.

c) ( ) Na equação x + 4 = 3x + 20, a incógnita é x.

d) ( ) A equação 3y - 15 = 0 não tem segundo membro.

7 0

2 years ago