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Inessa05 [86]
3 years ago
15

Order the numbers from greatest to least. Using > -1.25,2.25,-0.9,1 1/2,1.15

Mathematics
1 answer:
weqwewe [10]3 years ago
5 0

Answer:

2.25 > 1 1/2 > 1.15 > -0.9 > -1.25

Step-by-step explanation:

the question is asking you to place the numbers in descending order.

1 1/2 = 1.5 which is > 1.15

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3+6X(5+4)÷3-7 someone pls help me
Alenkinab [10]
(3+6X(5+4)÷3-7) the answer is 14
3 0
3 years ago
What is the factored form of the expression?<br><br> d^2 = 36d + 324
Veseljchak [2.6K]

Answer:

(x-43.45)(x+7.45)=0

Step-by-step explanation:

We have the quadratic equation d^{2}=36d+324  i.e. d^{2}-36d-324=0

As, the roots of the quadratic equation ax^{2}+bx+c=0 are given by x=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}.

So, from the given equation, we have,

a = 1, b = -36 , c = -324.

Substituting the values in x=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}, we get,

x=\frac{36\pm \sqrt{(-36)^{2}-4\times 1\times (-324)}}{2\times 1}

i.e. x=\frac{36\pm \sqrt{1296+1296}}{2}

i.e. x=\frac{36\pm \sqrt{2592}}{2}

i.e. x=\frac{36\pm 50.9}{2}

i.e. x=\frac{36+50.9}{2}  and x=\frac{36-50.9}{2}

i.e. x=\frac{86.9}{2}  and x=\frac{-14.9}{2}

i.e. x = 43.45 and x = -7.45

Thus, the roots of the equation are 43.45 and -7.45.

Hence, the factored form of the given expression will be (x-43.45)(x+7.45)=0

3 0
3 years ago
Find the value of the expression 3d+5 when d=3
sergiy2304 [10]
3x3=9
9+5=14 hope this helps u
8 0
3 years ago
Read 2 more answers
B. There are 47 cats. There are 18 fewer cats than birds. How many birds are in
ivolga24 [154]

Answer:

65

Step-by-step explanation

47 + 18 = 65

6 0
3 years ago
A ferris wheel can accommodate 75 people in 15 minutes. How many people
belka [17]

Answer:

Step-by-step explanation:

15 minutes = 1/4 hour

Therefore:

75 * 4 = the number of people riding in one hour

Thus:

the # of people riding in 1 hour * 4 = the # of people riding in 4 hours

8 0
2 years ago
Read 2 more answers
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