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iren [92.7K]
3 years ago
8

Pls help me with this !!!!! it is urgent

Mathematics
1 answer:
OLEGan [10]3 years ago
4 0
The answer is 1A definitely
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HELP!! Number 7! I need to know to write the equation and how to solve it! Thank you!
Anon25 [30]

Answer:


Step-by-step explanation:

Move the decimal to the left once on both of them and time the numbers together

4 0
3 years ago
What is the recursive formula for this sequence? 24,20,16,12
kirza4 [7]

Answer:

28 - 4n

Step-by-step explanation:

What is the recursive formula for this sequence? 24,20,16,12

the sequence first term is 24

a= 24

Common difference (d) = T2 - T1 = T3 - T2

d = 20-24 = 16 -20

d = -4

Formula for nth term

Tn = a + (n-1)d

Tn = 24 + (n -1)-4

Tn = 24 -4n + 4

Tn = 28 - 4n

= 28 - 4n

I hope this was helpful, please mark as brainliest

7 0
3 years ago
You buy the following materials for the new extension.
Daniel [21]

I assume you mean

2 tonnes of sand at £75.00 per tonne

20 bags of cement at £6.70 per bag

350 bricks at 45p each

If so, then

2 tonnes of sand at £75.00 per tonne = 2 * £75.00 = £150.00

20 bags of cement at £6.70 per bag = 20 * £6.70 = £134.00

350 bricks at 45p each = 350 * £0.45 = £157.50

Add the three amounts

£150.00 + £134.00 + £157.50 = £441.50

Answer: 441.50

7 0
3 years ago
Determine whether or not the given value is a solution. 1. -5x + 4 = -1; x = -1 2.4x3 = -7; x = -1 3. 3y -4 = 5; y = // 4.-2y +
NNADVOKAT [17]

#1

\\ \sf\hookrightarrow -5x+4=-1

\\ \sf\hookrightarrow -5x=-5

\\ \sf\hookrightarrow x=1

Incorrect

#2

\\ \sf\hookrightarrow 4x-3=-7

\\ \sf\hookrightarrow 4x=-4

\\ \sf\hookrightarrow x=-1

Correct

#3

\\ \sf\hookrightarrow 3y-4=5

\\ \sf\hookrightarrow 3y=9

\\ \sf\hookrightarrow y=3

Ans not given

#4

\\ \sf\hookrightarrow -2y+7=12

\\ \sf\hookrightarrow -2y=5

\\ \sf\hookrightarrow y=-5/2

Incorrect

#5

\\ \sf\hookrightarrow 3a-6=18-a

\\ \sf\hookrightarrow 4a=24

\\ \sf\hookrightarrow a=6

Incorrect

#6

\\ \sf\hookrightarrow 5(2t-1)=2

\\ \sf\hookrightarrow 10t=7

\\ \sf\hookrightarrow t=7/10

Incorrect

#7

\\ \sf\hookrightarrow ax-b=0

\\ \sf\hookrightarrow x=\dfrac{b}{a}

Correct

Done

8 0
2 years ago
Read 2 more answers
Can someone please help with question 38?
WARRIOR [948]
All you need to do is multiply all of the numbers together.
so 8x8x6x5x12
8x8x6x5x12=<span>23,040
so the surface area is </span><span>23,040</span>
3 0
3 years ago
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