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babymother [125]
3 years ago
13

Bryan needs to finish a book for

Mathematics
1 answer:
Galina-37 [17]3 years ago
4 0

Answer:

22.5 pages per week

Step-by-step explanation:

Considering that After 2 weeks, he has read

45 pages, and after 6 weeks, he has

read 135 pages

Difference in weeks = 6-2=4 weeks

Difference in pages=135-45=90

Rate per week will be 90÷4=22½ pages per week

To prove this

If 1 week is 22½

2 weeks will be 2*22½=45

6 weeks will be 6*22½=135

Therefore, the reading rate is 22.5 or 22½ pages per week

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Please help and show work if you can
Kipish [7]

Answer:

x = 3

Step-by-step explanation:

According to Euclidian theorem (x+9)^2 = 18*8

(x+9)^2 = 144 find the root for both sides

x + 9 = 12 subtract 9 from both sides

x = 3

3 0
3 years ago
Which board geometrically represents 4x2 – 1 using algebra tiles? An algebra tile configuration showing only the product spot, w
NemiM [27]

An algebra tile configuration shows only the product spot, which has 9 tiles in 3 columns with 3 rows. First row: 2 + x squared, 1 + x. Second row: 2 + x squared, 1 + x. Third row: 2 negative x, 1 negative.

The correct option is B.

Given

Equation; \rm 4x^2 - 1

<h3>Quadratic equation</h3>

It is a polynomial that is equal to zero.

Polynomial of variable power 2, 1, and 0 terms are there.

Any equation having one term in which the power of the variable is a maximum of 2 then it is called a quadratic equation.

4x² -1 = 0 is a quadratic equation.

An algebra tile configuration showing only the product spot, which has 9 tiles in 3 columns with 3 rows. First row: 2 + x squared, 1 + x. Second row: 2 + x squared, 1 + x. Third row: 2 negative x, 1 negative.

Then,

The factors of the polynomial is;

\rm 4x^2 - 1=0\\\\ 4x^2-2x+2x-1=0\\\\ 2x(2x-1)+1(2x-1)=0\\\\(2x-1)(2x+1)=0

Hence, an algebra tile configuration shows only the product spot, which has 9 tiles in 3 columns with 3 rows. First row: 2 + x squared, 1 + x. Second row: 2 + x squared, 1 + x. Third row: 2 negative x, 1 negative.

More about the quadratic equation link is given below.

brainly.com/question/2263981

7 0
2 years ago
Can someone help me in 1
oee [108]

Answer:

1,260 sq ft

Step-by-step explanation:

FORMULA TO FIND AREA OF A RECTANGLE: L*W, l=length, w=width

we can divide the figure into three other rectangles

rectangle one) length=20 width=10

so 20*10=200

rectangle 2) length=45, width=20

so 45*20=900

rectangle 3) length=20  width=8

so 20*8=160

now we add up the areas of the 3 rectangles to find the area of our figure

200+900+160=1,260 sq ft

hope this helps!

7 0
3 years ago
Simply 36/1225 into the smallest fraction
Aleksandr-060686 [28]

Answer:

36/1225 is in the simplest form.

Step-by-step explanation:

The easiest way to simplify a fraction is to look at eachs prime factorization:

36 has the factors:

(1,  2, 3, 4, 9, 12, 18 , 36)

1225 has these factors:

(1, 5, 7, 25, 35, 49, 175, 245, 1225)

Now we look for a common factor greater than 1:

Hmm... there isn't one in these sequences! With that information in our belt, we now know that 36/1225 is in its simplest form.

4 0
3 years ago
Round the following numbers to the nearest tenth. 26.425; 47.546
tresset_1 [31]

Answer:

26.4 and 47.4

Step-by-step explanation:

When rounding to the tenth place value, you look at the number and determine what criteria it falls in.  

If this number is 5 or higher, you raise the value of tenths place value by 1.

If this number is 4 or lower, you leave the value of the tenths place value what it originally is.

In this case, the number given is 26.425.

The tenths place value is 4. This number is not 5 or higher, so we do not raise it and we keep the number the same. So, it is 26.4.

The other problem is 47.546.

The second number right of the decimal point is 4. This number is not 5 or higher, so we do not raise it and we keep the number the same. So it is 47.5

6 0
3 years ago
Read 2 more answers
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