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olga nikolaevna [1]
2 years ago
14

Write the phrase as an expression. Then evaluate when y=20 . 3 less than the quotient of a number y and 4

Mathematics
1 answer:
PtichkaEL [24]2 years ago
4 0

Expression: <span>y÷4−3</span>

When <span><span>y=20</span><span>y=20</span></span>, the value of the expression is 2.

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Place the numbers in ascending order.
frutty [35]

Answer:

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7 0
3 years ago
Tell whether ΔABC and ΔDCB can be proven congruent.
Vikentia [17]

Answer:

D. No, there isn’t enough information because only two pairs of corresponding sides can't be used to prove that two triangles are congruent.

4 0
2 years ago
Express the area A of a circle as a function of its​ radius, r. Determine the area of a circle whose radius is 11 inches. That​
nekit [7.7K]
<h2>Answer with explanation:</h2>

The function represents the area of a circle(A) is given by :-

A(r)=2\pi r

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A(11)=2\pi (11)

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A(11)=2(\dfrac{22}{7} )(11)\\\\\Rightarrow\ A=56.5714285714\approx56.57

8 0
2 years ago
41. A person on a Ferris wheel sits a distance of 45 feet from the Ferris wheel's center. If they
Snezhnost [94]

Answer:

(1) 39 feet

Step-by-step explanation:

Feris wheel moves in a circular pattern. But if you take imaginary horizontal and vertical lines from your location to the Ferris wheel's center, you can wee see this make a triangle. This question is about trigonometry. Horizontal distance is the adjacent side and vertical distance is the opposite side. Your straight line distance to the center is the hypotenuse(45 feet). Then we can solve the question using the sin formula.

sin x = opposite/hypotenuse

sin 120 = vertical distance/ 45 feet

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5 0
2 years ago
Solve for x and y. y=6x+4 y=4x-2
Marizza181 [45]
\left\{\begin{array}{ccc}y=6x+4&(1^o)\\y=4x-2&(2^o)\end{array}\right\\\\\\subtitute\ (1^o)\ to\ (2^o):\\\\6x+4=4x-2\ \ \ \ |subtract\ 4\ from\ both\ sides\\6x=4x-6\ \ \ \ |subtract\ 4x\ from\ both\ sides\\2x=-6\ \ \ \ |divide\ both\ sides\ by\ 2\\\boxed{x=-3}\\\\subtitute\ value\ of\ "x"\ to\ the\ (1^o):\\y=6(-3)+4=-18+4\to \boxed{y=-14}

Answer:\boxed{ \left \{ {{x=-3} \atop {y=-14}} \right}
4 0
3 years ago
Read 2 more answers
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