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2 years ago

Calculate the percentage loss if an item is bought for $400 and sold for $364

Mathematics

1 answer:

daser333 [38]2 years ago

3 0

The answer to the percentage loss of an item would be 91 percent

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Are the two triangles similar?

Tpy6a [65]

Answer:

Option B Yes by AAA

Step-by-step explanation:

we know that

If the two triangles are similar, then the ratio of its corresponding sides is equal and its corresponding angles are congruent

$\frac{HM}{MK}=\frac{GM}{MJ}$

substitute the values and verify

$\frac{8}{12}=\frac{6}{9}$

simplify

$\frac{2}{3}=\frac{2}{3}$ -------> is true

therefore

The triangles are similar by AAA------> the three angles are congruent

4 0

3 years ago

Jim and Dianna want to save for their child’s college expenses. They find an annuity that pays 6% annual interest, compounded mo

lana66690 [7]

Answer:

future value = $49163.8

so required amount will be $491200 nearest $100

Step-by-step explanation:

given data

annual interest rate = 6 %

annuity = $300 per month

time period = 10 years

to find out

how much money will they have for the college expenses

solution

we know that effective rate will be

effective rate = $\frac{0.06}{12}$

effective rate = 5 × $10^{-3}$

number of payment = 12 × 10 = 120

so future value will be express as

future value = annuity × $\frac{(1+r)^t-1}{r}$ .........1

future value = 300 × $\frac{(1+5*10^{-3})^{120}-1}{5*10^{-3}}$

future value = 300 × 163.8793

future value = $49163.8

so required amount will be $491200 nearest $100

7 0

2 years ago

9th grade ..Plz solve this maths

8_murik_8 [283]

since the polygon has 8 chambers the angle of one chamber = 360/8 = 45°

so the angle WOP = 45°

now drawing a imaginary line which seperates the triangleWOP into half

so the angle of imaginary line is 45/2 = 22.5

sin(theta) = opp/hyp

since WP (opp) is unknown. take as x

sin(22.5) = x/44

0.383×4 = x

x = 1.532 (app) = 1.5 cm

perimeter = 1.5 × 8

= 12 cm

area of triangle WOP = 2×1/2 ×bh = bh

= 4×1.5

= 6 cm²

so the area of regular polygon = 8× area of a triangle

= 48 cm²

6 0

2 years ago

What is the answer? for this question

nirvana33 [79]

Answer:

Step-by-step explanation:

7 0

2 years ago

Solve this quadratic equation and explains the steps to help you solve it . Also which two specific methods help you to solve it

suter [353]

Recall that the quadratic formula states that, the solutions to the quadratic equation

$ax^2+bx+c=0$

are

$\frac{-b\pm\sqrt{(-b)^2-4ac}}{2a}.$

Now, in the given equation, a=-1 ,b=-6, and c= 8. Therefore, the solutions to the equation are:

$x=\frac{6\pm\sqrt{36+32}}{-2}.$

Simplifying the above result, we get:

$x=-3\pm(-1)\sqrt{17}.$

Answer:

$\begin{gathered} x_1=-3+\sqrt{17,} \\ x_2=-3-\sqrt{17}. \end{gathered}$

3 0

8 months ago