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Romashka-Z-Leto [24]
2 years ago
5

If i have 37 test left and do 6 a day how many weeks will that take me to be done

Mathematics
1 answer:
Mice21 [21]2 years ago
7 0

Answer:

1 week

Step-by-step explanation:

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Hi please can you help me this is a new topic and I’m very confused
olchik [2.2K]

Answer: the large jar is cheaper

Step-by-step explanation:

If you divide the £1.54 by 440g and £1.26 by 340g, you'll find which one is cheaper per gram :

1.54/440 = 0.0035

1.26/340 = 0.0037

So, by comparing both prices/gram, you've found that the large jar is cheaper.

8 0
2 years ago
Mariana solved the equation below. Identify her ERROR and EXPLAIN what she did wrong. -3(2x-4)=-12 -6x-12=-12 -6x=0 x=0
nydimaria [60]

Answer:

Her error was multiplying -3 and -4 which gives +12 but she wrote -12 instead

Step-by-step explanation:

Mariana workings:

-3(2x - 4) = -12

-6x - 12 = -12

Her error was multiplying -3 and -4 which gives +12 but she wrote -12 instead

-6x = 0

x=0

Correct workings:

-3(2x - 4) = -12

-6x + 12 = - 12

-6x = -12 - 12

-6x = -24

x = -24/-6

x = 4

8 0
2 years ago
Solve the problem below and enter your answer in the space below <br> 7x (3-2) = ?
postnew [5]

Answer:

7

Step-by-step explanation:

PEMDAS

3-2=1

x

7

=

7

5 0
3 years ago
Find the ninth partial sum of infinite sumnation 3i-4
snow_tiger [21]
\bf \sum\limits_{i=1}^9\ 3i-4\implies \sum\limits_{i=1}^9\ 3i-\sum\limits_{i=1}^9\ 4\implies 3\sum\limits_{i=1}^9\ i-\sum\limits_{i=1}^9\ 4&#10;\\\\\\&#10;3\cdot  \cfrac{9(9+1)}{2}-(9\cdot 4)

and surely you know how much that is.
3 0
3 years ago
Compute $121_3+2122_3-1200_3-2111_3$. Express your answer in base 3.
vfiekz [6]

Answer:

-221 base 3

Step-by-step explanation:

We are to calculate the value of the numbers in base 3. One of the ways to do that is to first convert each number to base 10. Do the arithmetic, then convert back to base 3.

121 base 3 +2122 base 3 - 1200 base 3 - 2111 base 3

Let's convert to base10

See attachment for details

From the workings,

121 base 3 + 2122 base 3 - 1200 base 3 - 2111 base 3 = -221 base 3

3 0
2 years ago
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