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SVETLANKA909090 [29]
3 years ago
6

What is x in the equation please help.

Mathematics
2 answers:
finlep [7]3 years ago
4 0
X=12
(x+42)+3x=90
4x+ 42 = 90
iogann1982 [59]3 years ago
3 0

Answer:

6

Step-by-step explanation:

vbgdfbgdf bbn bgdfjszvhy

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I Need Help Please with this problem
goldenfox [79]

ΔACD is similar to ΔBCD by AA similarity theorem

AD/AC = BD/BC

x/5 = 4.2/6

6x = 21

x = 3.5

Hope this helps! ;)

3 0
3 years ago
Write a recursive and an explicit formula to represent the following sequence 52, 40, 28, 16,...
horrorfan [7]

Answer:

Explicit tn = 52 + (n - 1)*(-12)

Recursive = tn = t(n - 1) - 12

Step-by-step explanation:

The difference between term n and term n - 1 is can be found by taking the difference between and 2 consecutive terms.

t3 = 28

t2 = 40

d = t3 - t2

d = 28 - 40

d = - 12

Explicit

tn = a1 + (n - 1)*d

a1 = 52

d = - 12

tn = 52 + (n - 1)*(-12)

<em><u>Example</u></em>

Find t5

t5 = 52 + (5 - 1)*(-12)

t5 = 52 + 4 * - 12

t5 = 52 - 48

t5 = 4

Recursive

tn = t(n - 1) - 12

<em><u>Example</u></em>

t5 = t4 - 12

t5 = 16 - 12

t5 = 4 just as it did before.

5 0
3 years ago
5(x-4)+2x=14 help me find the answer x=?
Bond [772]
Exact Form:
x = 34/7

Decimal Form:
x= 4. 857142

Mixed Number Form:
x= 4 6/7
4 0
2 years ago
Read 2 more answers
Please Help me i can't figure it out!!!!!!!
daser333 [38]

Refer to the attachment

5 0
3 years ago
What is the value of v? 45(v−7)=2 Enter your answer in the box.
netineya [11]
45(v - 7) = 2...divide both sides by 45
v - 7 = 2/45...add 7 to both sides
v = 2/45 + 7
v = 2/45 + 315/45
v = 317/45 or 7 2/45
4 0
3 years ago
Read 2 more answers
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