MATHEMATICS
MIDDLE SCHOOL

Answer:

Answer:

Bryan weighed two pieces of metal for an experiment. The piece of copper weighed pounds and the piece of zinc weighed pounds. Calculate the total metal in pounds he used.

Solution:- Weight of copper metal= pounds

Weight of zinc metal=pounds

The total weight of the metal he used= pounds

To solve the sum first convert them into like improper fractions

Now, The total weight of the metal he used= pounds

Ans:- Bryan used pounds of metal.

Answer: Brian brought cookies to school one day for class. He brought two dozen. His class ate 1 1/2 dozen. How many where left? A: 6 cookies

HIGH SCHOOL

A river is flowing at the rate of 1.5 miles an hour when a boy rows across it. Find the resulting speed of the boat if the boy rows at a still-water speed of 2.6 miles per hour and heads the boat perpendicular to the direction of the current. 1 mph

2 mph

3 mph

5 mph

3 Mph.is the Answer for ya

HIGH SCHOOL

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Find the vertex. The vertex is (-3,-5). Then plug into the equation y=a(x-h)^2+k. The the equation would be y=(x+3)^2-5. Hope that helped

Answer:

x+3

Step-by-step explanation:

HIGH SCHOOL

You invest $275.00 in a money-market account that pays simple interest at a rate of 10%. How long must you leave your investment in the money-market account if you expect to earn $27.50 in interest?

I believe its1 month

MIDDLE SCHOOL

An investment of $56,000 in a company’s stock grows to $67,000. What is the return on investment ROI

19.64%

Step-by-step explanation:

use the equation

Total return = $67000-$56000

= $11000

Initial investment value = $56000