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marishachu [46]
3 years ago
9

Simplify the expression show all of your work 3+5 squared -9÷3×4= Please help

Mathematics
2 answers:
LiRa [457]3 years ago
6 0
I got 5 squared -9 but idk I might be wrong. If I am right then hope I helped.

FromTheMoon [43]3 years ago
3 0

Answer:

1.75 or 1 3/4

Step-by-step explanation:

Is there parenthesis anywhere?

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The public library has to move 42,000 books to its new location. The movers can pack an average of 45 books in every box. The tr
Anni [7]

Answer:

<h2> 934boxes</h2><h2> 4 trips</h2>

Step-by-step explanation:

Given the total number of books 42,000

Ok, firstly let us calculate the number of boxes required, given that a box can contain 45 books

number of boxes= 42,000/45  

number of boxes=933.3 boxes

approximately 934boxes

Also, given that the truck can carry online 250 boxes in one trip

then it must make 934/250= 3.7 trips

approximately the truck will make 4 trips to carry all the boxes

7 0
3 years ago
Which equation shows y+15=3x in standard form?
Morgarella [4.7K]
Rearranging  y + 15 = 3x we have
3x - y = 15

so its none of them
8 0
3 years ago
A total of $10,000 is invested in two mutual funds. The first account yields 5% and the second account yields 6%. How much was i
Aleks [24]

Answer:

$2,500 was invested in the first account while $7,500 was invested in the second account

Step-by-step explanation:

Here in this question, we want to find the amount which was invested in each of the accounts, given their individual interest rates and the total amount that was accorded as interest from the two investments

Now, since we do not know the amount invested , we shall be representing them with variables.

Let the amount invested in the first account be $x and the amount invested in the second account be $y

Since the total amount invested is $10,000, this means that the summation of both gives $10,000

Mathematically;

x + y = 10,000 ••••••(i)

now for the $x, we have an interest rate of 5%

This mathematically translates to an interest value of 5/100 * x = 5x/100

For the $y, we have an interest rate of 6% and this mathematically translates to a value of 6/100 * y= 6y/100

The addition of both interests, gives 575

Thus mathematically;

5x/100 + 6y/100 = 575

Multiplying through by 100, we have

5x + 6y = 57500 •••••••••(ii)

From 1, we can have x = 10,000-y

let’s substitute this into equation ii

5(10,000-y) + 6y = 57500

50,000-5y + 6y = 57500

50,000 + y = 57500

y = 57500-50,000

y = 7,500

Recall;

x = 10,000-y

so we have;

x = 10,000-7500 = 2,500

3 0
3 years ago
There are three consecutive even integers. Three times the smallest is twice the largest. What are the integers?
MaRussiya [10]

Answer:

8, 10, 12 are the integers

Step-by-step explanation:

Guess and check

4 0
3 years ago
| Find the quadratic polynomial whose<br> Sum and products of zeros are 21/8 and 5/16
tatuchka [14]

Answer:

16x^{2} -42x+5

Step-by-step explanation:

Sum of its zeroes=\alpha +\beta =\frac{21}{8} \\

Product of its zeroes=\alpha \beta=\frac{5}{16}

Formula to form a quadratic polynomial:

p(x)=k[x^{2} -(\alpha +\beta )x+\alpha \beta ]

p(x)=k[x^{2} -(\frac{21}{8} )x+\frac{5}{16}]

p(x)=16[x^{2} -(\frac{21}{8} )x+\frac{5}{16}]

p(x)=[16x^{2} -42x+5]

The quadratic polyniomial is 16x^{2}-42x+5

8 0
3 years ago
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