05/26/22

Establish the identity. (6cosθ−7sinθ)^2 + (7cosθ+6sinθ)^2 = 85
Rewrite the left side by removing the parentheses.? + 49 cos2θ + 84 cos θ sin θ + 36 sin2θRewrite the expression found in the previous step by combining like terms.? (Do not factor.)Rewrite the... more
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05/26/22

Union and intersection

A and B are sets of real numbers defined as follows. Write 4 cap B A cup B using interval notation. If the set is empty, write empty set . A={ z|z<4}B={ z|z>=7} (or equal to)
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05/26/22

There are 60 questions on a math test. There are twice as many multiple-choice than fill-in and 10 more multiple-choice than true-false. How many of each type of question are there on the math test?

There are 60 questions on a math test. There are twice as many multiple-choice than fill-in and 10 more multiple-choice than true-false. How many of each type of question are there on the math test?
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05/26/22

$62 is the total. there were twice as many adults as children. if adult tickets cost $11 and children tickets cost $9, how many adults and children went to the movie theater?
I just need this for hw
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05/26/22

Solving a word problem using a system of linear equations of the form Ax+By=C
A store is having a sale on almonds and jelly beans. For 3 pounds of almonds and 5 pounds of jellybeans, the total cost is $25. For 9 pounds of almonds and 7 pounds of jellybeans, the total cost is... more
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05/25/22

Solve for u in terms of s, t, v, and w. ts= – wuv
ixl questions that i have to have done by tommorow or i have detention
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05/25/22

Two buses leave town 1374 kilometers apart at the same time and travel towards each other. One bus travels 17 km/h faster than the other. If they meet in 6 hours, whats the rate of each bus
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05/25/22

Two buses leave town 1374 kilometers apart at the same time and travel towards each other. One bus travels 17 km/h faster than the other. If they meet in 6 hours, whats the rate of each bus
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05/25/22

Solve the missing angle. Round to the nearest whole number.
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05/25/22

A sonar operator on a cruise detects a submarine at a distance of 500 m and an angle of depression of 37°. How deep is the submarine, to the nearest meter?
options A: 656B: 831C: 301D: 399
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05/25/22

Simple interest
What annual rate of simple interest was charged on a loan of $5,200.00 that was issued on October 28, 2014, if it accumulated $441.06 in interest by March 4, 2015?
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05/25/22

Volume of a cylinder
What is the height of a cylinder whose volume is 18*(pi) and whose radius is 3 ?
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05/25/22

Find the arc length of the semicircle. 6
i dont get it and i just wanna know the equation
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05/25/22

Finding the value of x, y, and z
2*2=42+2=4x+y=zx*y=z
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05/25/22

distance problem
The number of girls in Sphens class exceeded the number of boys by 8. If there were 36 pupils in the class, how many were girls and how many were boys? Put your answer in the form G,B.
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05/25/22

PLEASE HELP ME IN THIS
If A has coordinates (2, –1) and B has coordinates (–1, 1), what are the coordinates of the midpoint of  AB ?
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05/25/22

please answer this
What is the equation of a line that is perpendicular to the line y = –14x – 1 and passes through the point (3, 7)? A. y = –4x + 19 B. y = 4x – 5 C. y = 14x + 254 D. y = –4x + 31
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05/25/22

Use the given information to find the left- and right-hand Riemann sums for the following function. If necessary, round your answers to five decimal places.
f(x)=x2+3a=−3, b=5, and n=16Left-Hand Riemann Sum  = _____Right-Hand Riemann Sum = _____
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05/25/22

Approximate the area under the curve y=x^2+5 from x=2 to x=5 using a left sum with 6 subdivisions.
Approximate the area under the curve y=x2+5 from x=2 to x=5 using a left sum with 6 subdivisions.The area is approximately _____
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05/25/22

What is the antiderivative of f ' ( x ) = 7 x − 16

What is the antiderivative of f '(x)=7x−16f(x)= _____What particular solution satisfies f(2)=−17?f(x)= _____
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05/25/22

If f(x)=2x^2-4x+7, find f'(2)
If f(x)=2x2-4x+7, find f'(2) _____Use this to find the linear approximation to f(x) at x=2.The equation of this linear approximation isL(x)= _____Use L(x) to approximate f(2.2). (Compute the actual... more
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05/25/22

Find The Probability
Defective units a shipment of 12 microwave ovens contains three defective units. A vending company has ordered four of these units, and because each is identically packaged, the selection will be... more
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05/25/22

coterminal angles help= hw
What angles are coterminal to an angle measuring 2π/3 or −11π/7? Coterminal with 2π/3:Coterminal with −11π/7:
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05/25/22

PLZ ANSWER ME FASTLY
Amy is choosing framing materials for a watercolor painting that is 10 inches tall by 16 inches wide. She wants to use a mat that will be the same width on all sides. Write expressions for the... more
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05/25/22

Quadratic Functions

Graph y= x^2 vertically stretched by a factor of 4 and shifted right 6. when graphing first select the correct shape from the options below the grid.
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