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Karo-lina-s [1.5K]
2 years ago
8

What is the sum or difference? 6x7 + 8x7

Mathematics
2 answers:
Agata [3.3K]2 years ago
7 0
I think the answer is 98

CaHeK987 [17]2 years ago
7 0
42 + 56 = 98. Easy peasy
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Mrs. Thomas has $71.00 to purchase bottles of juice for her class. If the bottles of juice cost $3.55 each, how many bottles can
shepuryov [24]
B) 20
$71.00<span>÷$3.55=20</span>
5 0
2 years ago
The widths (in meters) of a kidney-shaped swimming pool were measured at 3-meter intervals as indicated in the figure. Use the M
forsale [732]
We can used the Simpson's Rule says to approximate the area under a given curve using the following formula: 

<span>(Δx/3)[f(x0) + 4f(x1) + 2f(x2) + 4f(x3) + ... + 2f(xn-2) + 4f(xn-1) + f(xn)] </span>

<span>The pool is divided into 8 subintervals. We integrate the given function from 0 to 24, while the graph provides values of f(x) at 7 different points. The first value given, 6.2, is NOT f(0). It is f(3). Using Simpson's Rule, and dividing the lake of 24 meters into 8 subintervals, we write the equation: </span>

<span>area = (3/3)[f(0) + 4f(3) + 2f(6) + 4f(9) +2f(12) + 4f(15) + 2f(18) + 4f(21) + f(24)] </span>

<span>Pool area = 0 + 4(6.2) + 2(7.2) +4(6.8) + 2(5.6) + 4(5.0) +2(4.8) +4(4.8) + 0 = 126.4 m^2 </span>

<span>Rounding to the nearest square meter, the area of the lake is approximately 126 m^2 </span>
6 0
2 years ago
Read 2 more answers
Which is the simplified form of the expression (StartFraction (x Superscript negative 3 Baseline) (y squared) Over (x Superscrip
Vlad [161]

Answer:

The simplified form of the expression is \frac{1}{x^{7} y^{4}}.

Step-by-step explanation:

The expression is:

\frac{x^{-3}\cdot y^{2}}{x^{4}\cdot y^{6}}

The division rule of exponents is:

a^{m}\div a^{n}=a^{m-n}

The negative exponent rule is:

a^{-m}=\frac{1}{a^{m}}

Simplify the expression as follows:

\frac{x^{-3}\cdot y^{2}}{x^{4}\cdot y^{6}}=[x^{-3-4}]\times [y^{2-6}]

         =x^{-7}\times y^{-4}\\\\=\frac{1}{x^{7} y^{4}}

Thus, the simplified form of the expression is \frac{1}{x^{7} y^{4}}.

8 0
2 years ago
Read 2 more answers
If p → q is true, then ~ p → ~ q is __________ true. always sometimes never
Yuliya22 [10]

Answer:

The correct answer is Never

6 0
2 years ago
A Climbing Gym charges $10 to climb each day. A pair of Climbing shoes cost $84. It cost $169 to buy 6 days of climbing, one pai
yaroslaw [1]
Cost of 6 days climbing = $10 * 6 = $60
Cost of one pair of shoes = $84
Total cost = $169

So, cost of one harness = $169 - $(84+60) 
harness = $169 - $144 = $25

So, your final answer is $25
8 0
2 years ago
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