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zubka84 [21]
3 years ago
14

Which of these are expressions?

Mathematics
1 answer:
Ugo [173]3 years ago
7 0

Answer:

1x0

2 x 11

1x0

Hope this helps! :) Please rate brainliest

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M(-5, 2) and N(5, 2) are the endpoints of the segment MN on the coordinate plane. What is the length of MN¯¯¯¯¯¯ ?
stira [4]
Use the distance formula

\sqrt{(2-2)^2+(5--5)^2}=\sqrt{100}=10
5 0
3 years ago
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16. Solve 7n=42<br> 06<br> O n = 6<br> n = 7<br> O 7
Masteriza [31]

Answer:

6

Step-by-step explanation:

7n=42

n=42/7

n=6

7 0
3 years ago
A silent auction was held for a quilt donated for charity. Fifteen bids that were drawn randomly are listed here. Find the value
Alik [6]
45th percentile means that 45% of the data fall below that number while 55% (that is, 100-45) fall above it.

Now, arranging the number in ascending order;
$60, $85, $95, $105, $120, $145, $155, $175, $190, $215, $235, $240, $260, $285, $325

The total number of counts = 15
Then,
Index = 15*45% = 15*0.45 = 6.75

Round up,
Index = 7

The,
7th number = $155

Therefore, 45th percentile value of the data = $155
8 0
3 years ago
One card is selected at random from a deck of cards. determine the probability of selecting a card that is less than 99 or a spa
Kitty [74]
Since these events are independent, you add the possibilities

the number of cards less than 9 is 32
the number of spades is 13
there are 52 cards in a deck, so you put those numbers over 52

32/52 + 13/52 = 45/52

the answer is 45/52
8 0
3 years ago
A savings account is started with an initial deposit of $700. The account earns 1.5% interest compounded
marusya05 [52]

Answer:

  (a)  A = 700×1.015^t

  (b)  36.2 years

Step-by-step explanation:

(a) Each year, the account value is multiplied by (1 + 1.5%) = 1.015. Repeated multiplication is signified using an exponent. In t years, when the account has been multiplied by 1.015 t times, the account value will be ...

  A = $700×1.015^t

__

(b) You want to find t when A=$1200. Logarithms are involved.

  1200 = 700×1.015^t . . . . use 1200 for A

  1200/700 = 1.015^t . . . . . divide by 700

  log(12/7) = t×log(1.015) . . . . . take logarithms

  log(12/7)/log(1.015) = t ≈ 36.2 . . . . divide by the coefficient of t

It will take about 36.2 years for the account balance to reach $1200.

4 0
3 years ago
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