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BabaBlast [244]
3 years ago
9

Decide which shipping box (or combination of boxes) she should use to ship exactly 270 necklaces.

Mathematics
1 answer:
Ann [662]3 years ago
5 0
Ndnsnkskaoaoamdmsksakaopssppskdkxm
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Solve the inequality -x^2-4x+5>0
son4ous [18]
<span><span><span><span>−<span>x2</span></span>−<span>4x</span></span>+5</span>>0</span>
Let's find the critical points of the inequality.<span><span><span><span>
−<span>x2</span></span>−<span>4x</span></span>+5</span>=0</span><span><span><span>
(<span><span>−x</span>+1</span>)</span><span>(<span>x+5</span>)</span></span>=0</span>(Factor left side of equation)<span><span><span><span>
−x</span>+1</span>=<span><span><span>0<span> or </span></span>x</span>+5</span></span>=0</span>(Set factors equal to 0)<span><span>
x=<span><span>1<span> or </span></span>x</span></span>=<span>−5</span></span>
Check intervals in between critical points. (Test values in the intervals to see if they work.)<span>
x<<span>−5</span></span>(Doesn't work in original inequality)<span><span><span>
−5</span><x</span><1</span>(Works in original inequality)<span>
x>1</span>(Doesn't work in original inequality)
Answer: −5<x<1
5 0
3 years ago
,
MAXImum [283]

Answer:

x=3 and N is the mid-point.

Okay, so if N is the mid-point.

E D=15

E N=4 x -1

N D=4+ 2 x

6 x -3=15

Now get the 6 x by itself, so move the 3 over

So it would be: 6 x =18

So that would be 6 divided by 6 is x and then 18 divided by 6 equals 3

So, X equals 3

6 0
1 year ago
Please help ASAP<br><br> Don’t mind the first multi choice ignore it and look at the box Area=Cm2
choli [55]

Answer:

1200 cm

Step-by-step explanation:

triangle = 1/2bh

1/2(50)20= 500

1/2 (50) 20= 500

1/2(10)20 = 100

1/2 (10)20= 100

then you add them all which gives you 1200

8 0
3 years ago
Janie has $3. She earns $1.20 for each chore she does and can do fractions of chores. She wants to earn enough money to buy a CD
d1i1m1o1n [39]

Answer:

The fraction of chores which Janie wants to earn enough money to buy a CD for $13.50 are 8.75~9 chores

Step-by-step explanation:

Given that Janie has $3. She earns $1.20 for each chore she does and can do fractions of chores. She wants to earn enough money to buy a CD for $13.50.

we have to find the fraction of chores Janie did to earn total of $13.50

Let the fraction of chores is x which Janie wants to earn enough money to buy a CD for $13.50.

Total money=$3+$1.20(fraction of chores)

$13.50=$3+$1.20(x)

$13.50-$3=$1.20(x)

x=8.75~9

Hence, the fraction of chores which Janie wants to earn enough money to buy a CD for $13.50 are 8.75~9 chores

6 0
3 years ago
Read 2 more answers
Simplify the expression. <br> q+12q<br><br> a. -13q<br><br> b. -11q<br><br> c. 11q<br><br> d. 13q
Sveta_85 [38]

Answer:

13q

Step-by-step explanation:

q is the same as 1q

1q + 12q = 13q

3 0
3 years ago
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