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zhenek [66]
3 years ago
11

Solve W=(5/8+7/8)*2*2

Mathematics
1 answer:
Step2247 [10]3 years ago
4 0
W = 6 is the answer to your question
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Guys please help me this is due tonight thanks
elena-s [515]

Answer:

the student in question bought 3 large notebooks and 3 small notebooks

Step-by-step explanation:

the easiest way to explain how to do this is by recognizing that the student bought $54 worth of notebooks- which is not divisible by 10 easily. that means, we should subtract 8 from 54 until we get a number that IS divisible

54 - 8 = 46 (one small notebook)

46 - 8 = 38 (two small notebooks)

3 8 - 8 = 30 (three small notebooks)

then, divide 30 by 10 to see how many large notebook the student bought.

30/10 = 3

the student in question bought 3 large notebooks and 3 small notebooks

4 0
3 years ago
Cot^2x-csc^2x=-1 for all values of x true or falsse
Leno4ka [110]
Our basis for this equality is the pythagorean theorems of trigonometry. There are three equations for the pythagorean theorems. These are:

sin²x + cos²x =1
1 + tan²x = sec² x
1 + cot² x = csc² x

These are all derived from circle geometry on the cartesian plane. Now, the useful trigonometric property to be used is the third one. Rearranging this, we come up with

cot²x - csc²x = -1

This coincided with the given equation. Therefore, this is true. This is because it is already established from the pythagorean theorems.
4 0
3 years ago
Read 2 more answers
Y= -7x -8 please help
kolbaska11 [484]

Answer:

15

Step-by-step explanation:

7 0
3 years ago
What is the slope of P=(4.5,-1) Q=(5.3,2).
Ulleksa [173]
\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%   (a,b)
P&({{ 4.5}}\quad ,&{{ -1}})\quad 
%   (c,d)
Q&({{ 5.3}}\quad ,&{{ 2}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{2-(-1)}{5.3-4.5}\implies \cfrac{2+1}{5.3-4.5}
\\\\\\
\cfrac{3}{0.8}\implies \cfrac{\frac{3}{1}}{\frac{08}{10}}\implies \cfrac{\frac{3}{1}}{\frac{4}{5}}\implies \cfrac{3}{1}\cdot \cfrac{5}{4}\implies \cfrac{15}{4}\implies 3\frac{3}{4}
6 0
4 years ago
Read 2 more answers
What place value does the 2 have in 1,386.972
erica [24]
.1 tenth
.01 hundredth
.001 thousandth

.972 
.002 
thousandth
7 0
4 years ago
Read 2 more answers
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