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3 years ago

BRAINLY GET READY! I HAVE EXAMS NEXT WEEK! I WILL NEED HELP PLEASEEEE!!!. MATH BIOLOGY ELA CRIMINOLOGY!!!!!!

Mathematics

2 answers:

Alexxandr [17]3 years ago

8 0

Answer:

ready

Step-by-step explanation:

alekssr [168]3 years ago

4 0

Answer:

lol

Step-by-step explanation:

lol

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The area of an isosoles trapezoid is 45cm squared, and it's height is 5cm. Find the perimeter if the length of a leg is 2/3 of t

Schach [20]

Answer:

Perimeter = 42 cm.

Step-by-step explanation:

The 2 legs are equal in length as it is an isosceles trapezoid.

Area of trapezoid = (h/2)(a + b) where a and b are the parallel bases.

(5/2) (a + b) = 45

a + b = 45 * 2/5 = 18 cm.

We are given that the length of a leg (L) is 2/3 * sum of the bases, so:

L = 2/3(a + b)

= 2/3 * 18

= 12 cm.

The perimeter = a + b + 2L

= 18 * 2*12

= 42 cm.

3 0

2 years ago

Keep getting this wrong

Minchanka [31]

Remember that the y-intercept is where the function has a value of $x = 0$ and the x-intercept is where the function has a value of $y = 0$ . Thus, to find the x-intercept and y-intercept, we can substitute these values into the equation and solve for the other variable.

<u>x-intercept</u>

Since the x-intecept has a y-value of 0, we can substitute this into the function and solve for $x$ .

$0 = -2x - 3$

Set up

$3 = -2x$

Add 3 to both sides

$x = - \dfrac{3}{2}$

Divide both sides by -2

The x-value of the x-intercept is $-\frac{3}{2}$ and the y-value is 0, meaning that the x-intercept has coordinates $\boxed{(-\frac{3}{2}, 0)}$ .

<u>y-intercept</u>

Since the y-intercept has a x-value of 0, we can substitute this into the equation and solve for $y$ :

$y = -2(0) - 3$

Set up

$y = -3$

Multiply and simplify

The y-value of the y-intercept is -3, meaning that the y-intercept of the function is $\boxed{(0, -3)}$ .

4 0

3 years ago

Read 2 more answers

The floor of a rectangular meeting area was waxed and everyone needs to stay out. The length of the area is 5 meters. The width

Dahasolnce [82]

Your answer is c. Hope I helped you! :)

8 0

3 years ago

Read 2 more answers

Write twelve thousand twelve hundred and twelve in numbers

dsp73

Answer:

12, 120,012

Step-by-step explanation:

7 0

3 years ago

Solve the equation g^2-12g=-36

Tresset [83]

$\bold{Answer}$

$\boxed{\bold{G \ = \ 6}}$

$\bold{Explanation}$

$\bold{Solve: \ g^2-12g=-36}$

$\bold{---------------------}$

$\bold{Add \ 36 \ To \ Both \ Sides}$

$\bold{g^2-12g+36=-36+36}$

$\bold{Simplify}$

$\bold{g^2-12g+36=0}$

$\bold{Solve \ With \ Quadratic \ Formula}$
$\bold{a=1,\:b=-12,\:c=36:\quad g_{1,\:2}=\frac{-\left(-12\right)\pm \sqrt{\left(-12\right)^2-4\cdot \:1\cdot \:36}}{2\cdot \:1}}$