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natali 33 [55]
3 years ago
8

Subtract 23.4 − 8.78 = Haven't been taught how to do this

Mathematics
1 answer:
Vladimir79 [104]3 years ago
6 0

Answer:

14.62

Step-by-step explanation:

23.4-8.78

so align it like if you were going to subtract it like this:

23.4

- 8.78

You have to add a zero behind the four just so it can be easier for you,

23.40

- 8.78

--------

Now subtract it

I will give you the answer so you know if you are correct or wrong

You might be interested in
The common ratio of a geometric series is 1/4 and the sum of the first 4 terms is 170.
Illusion [34]

Answer: the first term of the series is 128

Step-by-step explanation:

In a geometric sequence, the consecutive terms differ by a common ratio. The formula for determining the sum of n terms, Sn of a geometric sequence is expressed as

Sn = a(1 - r^n)/(1 - r)

Where

n represents the number of term in the sequence.

a represents the first term in the sequence.

r represents the common ratio.

From the information given,

r = 1/4 = 0.25

n = 4

S4 = 170

Therefore, the expression for the sum of the 4 terms, S4 is

170 = a(1 - 0.25^4)/(1 - 0.25)

170 = a(1 - 0.00390625)/(1 - 0.25)

170 = a(0.99609375)/(0.75)

170 = 1.328125a

a = 170/1.328125

a = 128

5 0
3 years ago
PLEASE HELP!!! DUE IN 10 MIN!!!
9966 [12]

Answer:

Option B

Step-by-step explanation:

Surface area of a triangular prism = Area of the triangular sides + Area of the rectangular sides

Area of the triangular sides = 2(Area of the triangular base)

                                              = 2[\frac{1}{2}(\text{Base})(\text{Height})]

                                              = 10 × 12

                                              = 120 ft²

Area of the rectangular sides = (Perimeter of the triangular side)(Height of the prism)    

= (10 + 13 + 13)(15)

= 36 × 15

= 540 ft²

Surface area of the prism = 120 + 540

                                           = 660 square feet

Option B will be the answer.

5 0
3 years ago
Can someone please help me with this problem?? ASAP!
stiv31 [10]
1. statement- quadrilateral ABCD      Reason- diagonal AEC
5 0
3 years ago
$400 invested at 2% compounded quarterly after a period of 2 years
Anna71 [15]
Final balance = $416.28
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7 0
3 years ago
Help pls If right you will receive Brainliest!!!!!
Black_prince [1.1K]

Answer:

The above question answer is (a) leading coefficient is positive and degree is odd.

Hope it is right answer for it!!

7 0
2 years ago
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