10/10/21

please answer and explain
Johnny's cafe serves desserts. One serving of ice cream and two servings of blueberry pie provides 820 calories. Three servings of ice cream and two servings of blueberry pie provide 1,300... more
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10/10/21

The perimeter of a rectangle is to be no greater than 110 centimeters and the width must be 25 centimeters
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10/10/21

Devon’s age is two times Sydney’s age. The sum of their ages is 69. What is Sydney’s age?
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10/10/21

Find the volume of the region enclosed by two spheres

S1 = x2+y2+z2 = 1S2 = x2+y2+(z-2)2 = 4
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10/10/21

Two bike riders x and y both start at 2pm riding towards each other from 40 km apart. X rides at 30km/h, Y at 20 km/h. If they meet after t hours find when and where they meet.
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10/10/21

Any ideas on what this is?
Find the difference quotient (f(a+h)-f(a))/(h), h does not equal 0 for the function:f(x)=4x^(2)-x+3
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10/09/21

related to math

You want to put a 2" thick layer of topsoil for a new 20'x30' garden. The dirt store sells by the cubic yards. How many cubic yards will you need to order?
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10/09/21

I thought of a number, added 4 5/7 to it, and got a number equal to the original number multiplied by 12. What was the original number?
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10/09/21

Find how many acres of each the farmer should plant
A farmer uses 738 acres to plant corn and sunflowers . The profits will be the greatest if the farmer plants 250 acres more of corn than sunflowers of . Find how many acres of each the farmer... more
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10/09/21

what do you expect f(f^-1(x)) to equal?
Support claim with examples and explain in words why this makes sense?
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10/09/21

What is the profit if 1000 were sold
Suppose that it costs a company selling sewing patterns C(x) =800 +6.5x dollars to produce and sell x patterns a month. If the revenue obtained by selling x patterns is R(x) =10x − 0.002x^2, what... more
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10/09/21

Find h(3) and h(5)
If an object is thrown straight up into the air with a velocity of 128 feet/second, then its height h(t) above the ground t seconds later is given by the formula h(t) =−16t^2+128t Find the height... more
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10/09/21

Please give me the answer in full details please!! Thank you
In the diagram the square has side length and the rectangle has dimensions (x+1) cm .x cm and (x +3) cm Given that the areas of the two shapes are equal, find the value of x.
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10/09/21

Balance the following chemical equation. Use coefficients in front the reactants or products that need to be balanced. If the coefficient is one, write the number "1"
_________________ MgCl2 + _________________ K → _________________ KCl + _________________ Mg
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10/09/21

Balance the following chemical equation.
Q1 _______________ NaN3 → _______________ Na + _______________ N2Q2_______________ N2H4 + _______________ Cl2 → _______________ N2 +  _______________ HCl
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10/09/21

solve the following equation by factoring

the equation : 48m^2 = 118m + 55
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10/09/21

Balance the following chemical reaction:
 _______________ Fe2O3 + _______________ C → _______________ Fe + _______________ CO2_______________ Li + _______________ N2 → _______________ Li3N
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10/09/21

Match the following chemical reactions with the answers "YES" or "NO". Are the following chemical equations balanced?
2 Hg (l) + O2 (g) → Hg2O2 (s)C2H4 (g) + 2 O2 (g) → 2 CO2 (g) + 2 H2O (l)Mg(NO3)2 (s) + 2 Li (s) → Mg (s) + 2 LiNO3 (s)H2 (g) + O2 (g) → H2O (l)a. Nob.Yes
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10/09/21

Literal equation
How do you solve this literal equation: Mx+2nx=p (solve for x)
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10/09/21

A given line has the equation . What is the equation, in slope-intercept form, of the line that is perpendicular to the given line and passes through the point (0, 9)?
A. y=-6x+9B. y=-1/6x+9C. y=1/6x+9D. Y=6X+9
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10/09/21

Pls solve this for me
Simplify 2/5 - 1/4Pls do this for me thank s
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10/09/21

Pls solve the question
Simplify 4/7 + 5/7 Pls simplify it for me thanks.
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10/09/21

I need help with this question
Ethan and Huda share £250 in the ratio 4 : 6. How much does Ethan gets?
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10/09/21

find the total number of marbles in the bag.
Paul has a bag of marbles. He divided the marbles into three boxes, A, B and C. The total number of marbles in box A and B as compared to the marbles in box C is in the ratio of 7:5, and the total... more
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10/09/21

One positive number is one-fifth of another number. The difference between the two numbers is 148, find the numbers.
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