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nalin [4]
3 years ago
10

Help. - Math - ^ Photo ^

Mathematics
1 answer:
lesya [120]3 years ago
6 0
Is you do the answer first 725 times 493 it would equal 357,425
then i just did lana first because it was easy and it came out to 357,425
tamir way of solving the problem was wrong equaling 281,815
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How would you graph this??<br><br> need help fast
statuscvo [17]

Answer:

There is no graph .... Please next time add one :)

Step-by-step explanation:

8 0
3 years ago
How do you identify the slope and y intercept with the equation y=-3x+4
vazorg [7]

Answer:

Slope is rise over run

Step-by-step explanation:

How many do you go up over how many you go over.

6 0
3 years ago
What is the volume of the composite figure? Explain your work. A complete answer should include how you broke up the figure, whi
Sphinxa [80]

Answer:

15,000\:\mathrm{mm^3}

Step-by-step explanation:

The composite figure consists of a square prism and a trapezoidal prism. By adding the volume of each, we obtain the volume of the composite figure.

The volume of the square prism is given by V=s^2\cdot h, where s is the base length and h is the height. Substituting given values, we have: V=14^2\cdot 30=196\cdot 30=5,880\:\mathrm{mm^3}

The volume of a trapezoidal prism is given by V=\frac{b_1+b_2}{2}\cdot l\cdot h, where b_1 and b_2 are bases of the trapezoid, l is the length of the height of the trapezoid and h is the height. This may look very confusing, but to break it down, we're finding the area of the trapezoid (base) and multiplying it by the height. The area of a trapezoid is given by the average of the bases (\frac{b_1+b_2}{2}) multiplied by the trapezoid's height (l).

Substituting given values, we get:

V=\frac{14+24}{2}\cdot (30-14)\cdot 30,\\V=19\cdot 16\cdot 30=9,120\:\mathrm{mm^3}}

Therefore, the total volume of the composite figure is 5,880+9,120=\boxed{15,000\:\mathrm{mm^3}} (ah, perfect)

Alternatively, we can break the figure into a larger square prism and a triangular prism to verify the same answer:

V=30^2\cdot 14+\frac{1}{2}\cdot10\cdot 16\cdot 30=\boxed{15,000\:\mathrm{mm^3}}\checkmark

8 0
3 years ago
I REALLY NEED HELP!!!!
Anna35 [415]
Divide x^4+x^3+7x^2-6x+8 by x+2+2x+8 using long polynomial division.

Answer:
x^2-x+1
8 0
3 years ago
Read 2 more answers
Use a calculator to evaluate sec 85°. a:-1.016. b:-5.679. c:1.004. d:11.474
KatRina [158]
The correct answer to this question is this one: "D. 11.474"

your calculator probably doesn't do "secant". But sec is 1/cos
so do cos(85) (in degree mode, not radian mode) then "invert it": 1 / ANS or x^-1 if you have that key

or type
1/cos(85 degrees)= <span>11.4737</span>
7 0
3 years ago
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