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3 years ago

I need help on this question

Mathematics

2 answers:

drek231 [11]3 years ago

8 0

The second figure does.

trasher [3.6K]3 years ago

3 0

B and d because you can rotate it to make the same shape

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Solve -np-80<60 for n. Show your work.<br><br> Solve 2a-5d=30 for d. Show your work.

xz_007 [3.2K]

$-np-80 < 60\qquad\text{change the signs}\\\\np+80$

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$2a-5d=30\qquad\text{subtract 2a from both sides}\\\\-5d=-2a+30\qquad\text{change the signs}\\\\5d=2a-30\qquad\text{divide both sides by 5}\\\\d=0.4a-6$

8 0

3 years ago

67000 dollars is placed in an account with an annual interest rate of 8.25%. how much will be in the account after 28 years, to

anastassius [24]

Answer:

The Amount of money in the account after 28 years is $616,674.5

Step-by-step explanation:

Given as :

The principal amount placed in the account = p = $67,000

The rate of interest = r = 8.25%

The time period of amount in the account = t = 28

Let the Amount of money in the account = $A

Now<u>, From Compound Interest method</u>

Amount = Principal × $(1+\dfrac{\textrm rate}{100})^{\textrm time}$

A = p × $(1+\dfrac{\textrm r}{100})^{\textrm t}$

Or, A = $67,000 × $(1+\dfrac{\textrm 8.25}{100})^{\textrm 28}$

Or, A = $67,000 × $(1.0825)^{28}$

Or, A = $67,000 × 9.2041

∴ A = $616,674.7

So, The Amount of money in the account = A = $616,674.5

Hence, The Amount of money in the account after 28 years is $616,674.5 Answer

5 0

3 years ago

Is -2,-6 a solution on a graph

igomit [66]

Answer:

yes

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Stephen evaluated (6.34 times 10 Superscript negative 7 Baseline) (4.5 times 10 Superscript 3 Baseline). His work is shown below

Maksim231197 [3]

Answer:

The step 4 and 5 describe the errors Stephen made.

Step-by-step explanation:

Given : Stephen evaluated $(6.34\times 10^{-7})(4.5\times 10^3)$ . His work is shown below.

To find : Which two statements describe the errors Stephen made?

Solution :

Step 1 - $(6.34\times 10^{-7})(4.5\times 10^3)$

Step 2 - $(6.34\times 4.5)(10^{-7}\times 10^3)$

Step 3 - $(28.53)(10^{-4})$

Step 4 - $28.53\times 10^{4}$

Error is the step as 4 sign is negative.

So correct step is $28.53\times 10^{-4}$

Step 5 - $28.53\times 10^{3}$

Error is the step as there is 4 in place of 3.

So correct step is $28.53\times 10^{-4}$

The step 4 and 5 describe the errors Stephen made.

7 0

3 years ago

Read 2 more answers

Can you help me solve? Question is on top left

galina1969 [7]

Answer:

See below ~

Step-by-step explanation:

⇒ 65 = 65 + y (alternate exterior angles)

⇒ y = 0

⇒ 4(12x + 1) + 15 = 180 - 65 - y (Linear angles)

⇒ 48x + 4 = 100 - 0

⇒ 48x = 96

⇒ x = 2

⇒ 3(7z + 6) + 5(5z + 1) = 115 (Both the angles are equal "alt. ext. angles")

⇒ 21z + 18 + 25z + 5 = 115

⇒ 46z + 23 = 115

⇒ 46z = 92

⇒ z = 2

3 0

2 years ago

Read 2 more answers