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DENIUS [597]
2 years ago
8

I need help finding x≈.... this is for a important grade so pls help really ​

Mathematics
1 answer:
gulaghasi [49]2 years ago
3 0

Answer:

the answer is 40 X=40

hope this helps :)

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The Cutty Sark is a famous clipper ship (look it up)! A Cutty Sark model kit advertises a scale ratio of 1: 78, a length of 45 i
lukranit [14]

Answer: If the ratio is 1:78, a) the Cutty Sark is 3510 inches long or 292.5 ft; b) the Cutty Sark is 2028 inches tall or 169 ft according to this model

Step-by-step explanation: The ratio indicates that for every inch of the model, it corresponds to 78 inches of the actual size. If the length is 45 inches for the model, it would be an equivalent of 45*78 of the actual size = 3510 inches. The same can be applied to the height. Multiplying 26 x 78, the actual size should have a height of 2028 inches.

8 0
3 years ago
Jeff's mother gave him money. he used an equal amount of money each day. at the end of the 7th day, he was left with 1/4 of how
skelet666 [1.2K]

Jeff received 280$ from his mother

Such questions are the simplest as it needs you to just write the conditions accordingly which then simplifies and provides you the answer.

This question can be solved using two tricks which are shown below:-

Trick  1 :

1 – 1/4 = 3/4 (used for the 1st 7 days)

1/4 – 410 (used for 8th and 9th days)

(3/4)/7 ——- (1/4 – 10)/2

(3/4) x (2/7) = 3/14 ——- (1/4 – 10)

1/4 – 3/14 = (7 – 6)/28 = 1/28 ——- 10

28/28 ——- 10 x 28 =$ 280

Trick 2 :

7 days ——- 3/4

1 day ——- 3/28

2 days ——- 6/28

6/28 ——- (1/4 – 10) = 7/28 – 410

1/28 ——- 10

28/28 ——- 10 x 28 = $280

Thus Jeff received 280$ from his mother.

Learn more about simple math here :

brainly.com/question/23678

#SPJ4

4 0
2 years ago
What is the vertex of f(x)=x^2+12x=31
Ket [755]

Answer:

x

=

±

√

5

−

6

Decimal Form:

x

=

−

3.76393202

…

,

−

8.23606797

…

Step-by-step explanation:

3 0
2 years ago
Find the slope and write an equation of the line which passes through the points.
Vikentia [17]

Answer:

a. y=x+1

b. x=-3

Step-by-step explanation:

a. slope= (6-4)/(5-3)=1

substitute (5,6) to y=1x+b; b=1

therefore, y=x+1

b. x=-3

5 0
3 years ago
Will Upvote !!!!!!!!!!!!!!!!!!
natulia [17]
They would be equal here!
So, 6x - 2 = 10x - 30
= 10x - 6x = 30 - 2
4x = 28
x = 28/4
x = 7

In short, Your Answer would be 7

Hope this helps!
6 0
3 years ago
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