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Fynjy0 [20]
3 years ago
6

Matty is always on the playground his favorite coins to collect or nickels and dimes. He has found $6.20, or $72 total nickels a

nd dimes. Write and algebraically solve a system of equations to figure out how many nickels he has and how many dimes he has.
Mathematics
1 answer:
nadya68 [22]3 years ago
8 0

Answer:

Matty is a bit of a weirdo you know what i mean

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
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A bus has three passengers Crew Marty Blakely. Marty's age is 1.5 times Crew's age. Blakely's age is 0.75 times crew's age. If t
Ugo [173]

The ages of the crew, Marty and Blakeley are 32 years, 48 years and 24 years respectively.

<h3>Algebra</h3>

  • Crew's age = x
  • Marty's age = 1.5x
  • Blakely's age = 0.75x

  • Total ages = 104

Total = crew's age + Marty's age + blakely's age

104 = x + 1.5x + 0.75x

104 = 3.25x

x = 104 ÷ 3.25

x = 32 years

Therefore,

Crew's age = x

= 32 years

Marty's age = 1.5x

= 1.5(32)

= 48 years

Blakely's age = 0.75x

= 0.75(32)

= 24 years

Learn more about algebra:

brainly.com/question/4344214

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3 0
1 year ago
Find the value of x in the triangle shown below.​
nika2105 [10]

Answer:

x =  \sqrt{28}

Step-by-step explanation:

Given,

Base of the triangle = 6

Hypotenuse of the triangle = 8

Let the height of the triangle = x

Therefore, According to Pythagoras Theorem,

{8}^{2}  -  {6}^{2}  =  {x}^{2}

=  > 64 - 36 =  {x}^{2}

=  > 28 =  {x}^{2}

=  > x =  \sqrt{28} (ans)

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2 years ago
ASAP!! Please help me. I will not accept nonsense answers, but will mark as BRAINLIEST if you answer is correctly with solutions
aliina [53]

Answer:  B. H(t) = -6.9(t - 2.3)² + 112

<u>Step-by-step explanation:</u>

The vertex form of a quadratic equation is: y = a(x - h)² + k

where (h, k) is the vertex   ⇒    k is the maximum height

the distance traveled is when y = 0     ⇒    x=\sqrt{\dfrac{-k}{a}}+h

Given: H(t) = -7.1(t - 2.3)² + 98

maximum height (k) = 98 feet

distance traveled (x) = \sqrt{\dfrac{-98}{-7.1}}+2.3    = 6.02 seconds

A) H(t) = -7.5(t - 2.2)² + 112

maximum height (k) = 112 feet

distance traveled (x) = \sqrt{\dfrac{-112}{-7.5}}+2.2    = 6.06 seconds

B) H(t) = -6.9(t - 2.3)² + 112

maximum height (k) = 112 feet

distance traveled (x) = \sqrt{\dfrac{-112}{-6.9}}+2.3    = 6.33 seconds

C) H(t) = -6.9(t - 2.4)² + 95

maximum height (k) = 95 feet

This has a lower height than the given equation.

D) H(t) = -7.5(t - 2.3)² + 95

maximum height (k) = 95 feet

This has a lower height than the given equation.

Both options A and B travel higher and stay in the air longer than last year's winner, however option B stays in the air longer than option A.

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Svetach [21]
X = sqrt(5^2 - 3^2) = 4
y = sqrt(7^2 - 3^2) = sqrt 40

Horizontal distance = x + y + 3 = 7 + sqrt40
8 0
2 years ago
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