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3 years ago

How can I answer this?

Mathematics

1 answer:

bazaltina [42]3 years ago

7 0

The rule states it grows at 4% each year, youj solve the growth rate in one year and then multiply it by the years 5 and then 10

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Solve.

Sphinxa [80]

21/22 is the answer change division sign to multiplication and flip the fraction on the right then multiply and divide those answers

8 0

3 years ago

Plzz help on Question B nd C plzz

Katarina [22]

Answer:

see explanation

Step-by-step explanation:

(b)

The roots of f(x) = 0 are the values of x on the x- axis at the points where the graph crosses, that is

x = - 1 and x = 3

(c)

f(0) is the point on the y- axis where the graph crosses, that is 3, thus

f(0) = 3

3 0

4 years ago

You want to put a 5 inch thick layer of topsoil for a new 28 ft by 14 ft garden. The dirt store sells by the cubic yards. How ma

Levart [38]

Answer: SOLUTION -

Let’s convert first the unit dimension of the garden from inches-feet to yards.

HEIGHT: 4 in * (1 ft / 12 in) = 1/3 ft * (1 yard/3 ft) = 1/9 yard

WIDTH: 28 ft * (1 yard/3 ft) = 28/3 yards

LENGTH: 32 ft * (1 yard/3 ft) = 32/3 yards

Then, let’s get the total soil capacity or volume of the garden:

(32/3) * (28/3) * (1/9) = 896/81 = 11.06 cubic yards

Since we can’t buy 0.06 cubic yard of soil, we need to round off 11.06 to the next number of cubic yards that is exactly divisible by 1/4.

It will give us then with 11 & 1/4 cubic yards.

Step-by-step explanation:

6 0

3 years ago

Help please what is the rate of change

arlik [135]

Answer:

Step-by-step explanation:

Sorry if it is wrong

8 0

3 years ago

Read 2 more answers

Here ya go these are the ones i need help with :)

r-ruslan [8.4K]

1) Division Property Equality
$8D = 56$
first pass: Simplify by 8
$\frac{8D}{8} = \frac{56}{8}$
second pass: Now divide the equals
 $1D= 7$
$D = \frac{7}{1}$
$\boxed{D = 7}$

2) Addition Property of Equality
$Z - 9 = 21$
first pass: Incognito on the left and numbers without incognito on the right, changing signs if they change sides.
 $Z = 21 + 9$
second pass: Do the addition
$Z = 21 + 9$
$\boxed{Z = 30}$

3) Subtraction Property of Equality
$B + 7 = 15$
first pass: Incognito on the left and numbers without incognito on the right, changing signs if they change sides.
$B = 15 - 7$
second pass: Do the subtraction
$B = 15 - 7$
$\boxed{B = 8}$

4) Multiplication Property of Equality
 $\frac{3}{7} C = 126$
first pass: Multiply the equalities by the inverse of the incognito, without the incognito
 $( \frac{7}{3}) *\frac{3}{7} C = 126*( \frac{7}{3})$
$\frac{21}{21} C = \frac{882}{3}$
second pass: Cancel the same terms and divide the ratio.
 $\frac{\diagup\!\!\!\!\!21}{\diagup\!\!\!\!\!21} C = \frac{882}{3}$
$C = \frac{882}{3}$
$\boxed{C = 294}$

5) Distributive Property
first pass: We only evaluate what is in the parentheses first and then we solve it.
 $7(A+13)$
second pass: we just evaluate what’s in the parentheses first, then solve it. We have a distributive property, with the distributive property, we multiply the '7' first.
$7*A + 7*13$
$7A + 91$

Obs: This question is not to find the value, only to show the distributive property.

For better understanding and solve your question with equation with incognito, after the distributive property, equalize the terms to zero, then isolate the terms, putting numbers with incognito on the left and numbers without incognito on the right, changing the signal as they change sides. And then solve by finding the value of the incognito dividing the terms.
 $7A + 91 = 0$
$7A = - 91$
$A = \frac{-91}{7}$
$\boxed{A = - 13}$

5 0

4 years ago