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zmey [24]
3 years ago
11

4(a + 2) = -4 whats A

Mathematics
2 answers:
OLga [1]3 years ago
4 0
The answer is -3 because -3+2=-1 then -1(4)=-4
weeeeeb [17]3 years ago
3 0

Answer:

Step-by-step explanation:

use the distributive property first; distribute 4 TO a+2

4(a+2) = 4a+8

once you have got your answer, make the new equation

4a + 8= - 4

Now, solve the equation

4a + 8= - 4

4a = -4-8

4a = -12

a = -12/4   ( always remember to put the sign )

a = -3

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Pls help quick 10 points
scZoUnD [109]

Answer:

6.86 to 2DP.

Step-by-step explanation:

7/12 = 4/DC

Cross multiply:

7DC = 4*12

DC = 48/7

= 6.857.

8 0
3 years ago
Read 2 more answers
Opal wanted to make some necklaces and sell them at a craft store. She made 37 necklaces and each necklace had somewhere between
alexandr402 [8]
<h3>The total number of beads used in making 37 necklaces is between 2,664 beads and 2,849 beads.</h3>

Step-by-step explanation:

Here, as given: The number of necklace made by Opal  = 37

The least number of bead used in each necklace  = 72

So, if each necklace is made using the least number of beads then,

The total number of beads  used in 37 necklace =  37 x ( beads in 1 necklace)

= 37 x  72  = 2,664 beads

So, the least number of total beads used in 37 necklaces  = 2,664 beads

The highest number of bead used in each necklace  = 77

So, if each necklace is made using the highest number of beads then,

The total number of beads  used in 37 necklace =  37 x ( beads in 1 necklace)

= 37 x  77  = 2,849 beads

So, if highest number of total beads used in 37 necklaces  = 2,849 beads

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5 0
3 years ago
2) What are the dimensions of a rectangular prism that has a volume of 2x4 -1?
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The depth is what makes this a three dimensional figure since there are three dimensions: length, width, and depth! All three of these dimensions are used to find the volume of a rectangular prism.
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Which choice is equivalent to expresision below?
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We can simplfiy to be -\sqrt{100}

\sqrt{-1} * \sqrt{100}.

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To get the answer you divide the cds by 2 because the CD's are 1/2 in thick to get: 26 in
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