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3 years ago

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Janey's height from age 7 to 12 can be modeled by the function h(t)=45+8/5t, where h(t) is Janey's height in inches and t is tim

e in years since age 7. Based on the function, which statement is true?

1 answer:

aliina [53]3 years ago

6 0

Write the ratio as a fraction in the fourth column of the table.

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Evaluate 8x-y2-3 when x = -1/4 and y=3<br>plz help

UkoKoshka [18]

Answer:

-14

Step-by-step explanation:

8x-y²-3

8(-1/4) - (3)² - 3

-2 - (9) - 3

= -14

6 0

3 years ago

A scale model of a ramp is a right triangular prism as given in this figure. In the actual ramp, the triangular base has a heigh

timurjin [86]

Answer:

7.2 yards squared

Step-by-step explanation:

i took the k12 quiz!

3 0

2 years ago

Describe the nature of the roots for this equation.<br> 3x^2+x-5= 0

m_a_m_a [10]

Answer:

<h2>This equation has no natural roots.</h2>

Step-by-step explanation:

$3x^2+x-5=0\\\\\text{Use the quadratic formula for}\ ax^2+bx+c=0\\\\x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\\text{For the given equation:}\\\\a=3,\ b=1,\ c=-5\\\\b^2-4ac=1^2-4(3)(-5)=1+60=61\\\\x=\dfrac{-1\pm\sqrt{61}}{(2)(3)}=\dfrac{-1\pm\sqrt{61}}{6}\notin\mathbb{N}$

4 0

3 years ago

Read 2 more answers

Is the centre of a circle always equal distance from all points on the circumference? and why

AleksandrR [38]

Answer:

Yes, the center of a circle is always and always equidistant from all the points on circumference because that is because what a circle is called. The distance from the center of the circle to the circumference is called the radius and it is constant for any particular circle.

7 0

3 years ago

Over the weekend, statton and tyler drove to montana to go hunting. now they're preparing to go home.tyler needs gas for his jee

Shtirlitz [24]

The jeep gets 22 miles per gallon...

he has 5 gallons in the tank already....
buys gas at 1.25 per gallon.....spends $ 22...so he buys 22 / 1.25 = 17.6 gallons
so he has a total of (5 + 17.6) = 22.6 gallons....at 22 miles per gallon =
22.6 * 22 = 497.2 miles <==

7 0

3 years ago