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MATH SOLVE
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Solve the simultaneous equations: 2x+y=18 x-y=6
General
4 months ago
(05.06)A chocolate bar measures 30 mm wide, 70 mm long, and four and one over two mm high. Will’s Wrapping Company is making a wrapper to cover the chocolate bar. Use the correct net and determine how much paper will be needed to make the wrapper.
General
4 months ago
which number is written in scientific notation A.4.5*10^-3B.14.5*10^2C.0.78*10^-6D.5.7*4^8which number is greatestA.2.89*10^-8B.1.997*10^2C.8.9*10^-6D.5*10^-6PLease help
General
4 months ago
Plz do not delete my questions. I will give you 20 points for these two questions. A thanks. And a 5 star rate. But in order for this to happen you have to make sure to SHOW YOUR WORK and MAKE SURE IT IS RIGHT. Then I will give you all of that. 1. What is the total surface area of this rectangular pyramid?First picture is for this question._______ square feet2. What is the surface area of the square pyramid below?Second picture is for this question96 cm2122 cm2132 cm2144 cm2
General
4 months ago
Plz do not delete my questions. I will give you 30 points for these three questions. A thanks. And a 5 star rate. But in order for this to happen you have to make sure to SHOW YOUR WORK and MAKE SURE IT IS RIGHT. Then I will give you all of that. 1. Vikram is studying the square pyramid below. The first and second pictures are for this question.To find the surface area of the pyramid, in square inches, Vikram wrote SECOND PICTURE HERE. What error did Vikram make?He used the same expression for the area of all four lateral faces.He used the wrong expression to represent the area of the base of the pyramid.He used the wrong value as the height when he found the area of the lateral faces.He used an expression for surface area that only finds the total area of three faces.2. Tracy used the expression THIRD PICTURE GOES HERE to find the surface area, in square centimeters, of the rectangular pyramid below.This is for the fourth picture.Which statement best describes her work?Tracy’s answer will be incorrect because she forgot the factor 1/2 in the expression representing the area of the triangular faces.Tracy’s answer will be incorrect because the pyramid has five faces and her expression finds the sum of only three products.Tracy’s answer will be correct because she made use of the fact that 2 (1/2) = 1 in her expression.Tracy’s answer will be correct because a rectangular pyramid has only three faces and the expression finds the sum of three products.3. What is the total surface area of this rectangular pyramid?This is for the last picture______ square meters
General
4 months ago
The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days.Which of the following is the equation for the line of best fit?a: y = 0.25xb: y = 0.5xc: y = 0.8xD: y = 0.2x
General
4 months ago
If sin (x+20°)=cos x. Find the value of x.
General
4 months ago
Elliott purchased a used pick-up truck for $9,500 He put $500. as a down payment and will repay the balance in monthly payments of $365. over the next 3 years. What is the APR of this loan?
General
4 months ago
What is the equation for the translation of x^2 + y^2 = 81 six units to the left and five units up?
General
4 months ago
A chemist wants to mix a 17% acid solution with a 38% acid solution to get 21 L of a 32% acid solution how many liters of the 17% solution and how many liters of the 38% solution should be mixed
General
4 months ago
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