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DedPeter [7]
3 years ago
5

Which of the following is a

Mathematics
1 answer:
CaHeK987 [17]3 years ago
4 0

Answer:

  • B is the answer because square root of 7 is 2.645 which is more than two and 3 is more tgan 2.645
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During the track season, Larry tries to
ivann1987 [24]

Answer:

inequality: 24 + x ≤ 64. x = 40

Step-by-step explanation:

8 cups = 64 ounces

Larry needs to drink 40 more ounces because 64 - 24 = 40

5 0
3 years ago
Jax is proving that the base angles of an isosceles triangle are congruent. He joins a line from
Sliva [168]

Answer: there you go

Step-by-step explanation:

4 0
3 years ago
In your class seven students do not receive a weekly allowance, Five students receive three dollars, Seven students receive five
olya-2409 [2.1K]

Answer:

\large \boxed{\text{\$3.50}}

Step-by-step explanation:

The mean is the sum of the allowances divided by the number of students.

\text{Mean}= \dfrac{7(0) + 5(3) + 7(5) + 3(6) + 2(8)}{24}= \dfrac{0 + 15 + 35 + 18 + 16}{24} = \mathbf{3.50}\\\text{The mean weekly allowance is $\large \boxed{\textbf{\$3.50}}$}

4 0
3 years ago
Write a rule for a function with a parabolic graph that contains the x-intercepts (-20,0) and (40,0) and a maximum point whose y
lakkis [162]

Step-by-step explanation:

Since the x-intercepts are -20 and 40, the line of symmetry is x = (-20 + 40)/2 = 10.

Now we have y = a(x - 10)² + 30, where a is an unknown constant. We can find a by using an x-intercept point.

=> (0) = a[(40) - 10]² + 30

=> 900a + 30 = 0, a = -1/30.

Hence the rule is y = -(x - 10)²/30 + 30.

7 0
3 years ago
The height of a triangle is 4 inches greater than the base. The area of the triangle is 70 square inches.
Alexxandr [17]

Answer: 10 inches.

Step-by-step explanation:

We have to solve a system of equations.

The formula to calculate a triangle area is A = (b.h)/2

where b is the base and h is the height. This will be our first equation.

Since the height is 4 inches greater than the base, the second equation will be: h = b+4

We replace h and the value of the area (70 square inches) in the first equation, and we solve it by using the cuadratic equation formula:

70 = (b . (b+4)) / 2

70 . 2 = b² + 4b

140 = b² +4b

0 = b² + 4b - 140

The roots of this polynomial are -14 and 10. Since a distance can't be negative, the length of the base is 10 inches.

5 0
4 years ago
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