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nexus9112 [7]
3 years ago
12

danielle spent $35 on a magazine and some notepads. if the magazine cost $3 and each notepad cost $4 then how many notepads did

she buy
Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
8 0
WORK:
$35 - $3 = $32
$32 divided by $4 = 8
ANSWER:
Danielle bought 8 notepads.
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Describe the transformation that maps the pre-image (ΔA) to the image (ΔA'). A) a reflection of the y-axis B) a reflection over
tino4ka555 [31]

Answer: choice D) translation 6 units to the right

The black triangle slides over 6 units to the right to line up perfectly with the blue triangle. In other words, every point on triangle A will slide over 6 units to the right to line up with its corresponding point on triangle A'. Both triangles are congruent (same shape and size).

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2 years ago
Read 2 more answers
Answer these two questions
AVprozaik [17]

For PART A: the height of the pole in the right angle triangle is 30 ft and the correct option is C

For PART B: the lenght of wire 1 in the right angle triangle is 45 ft and the right option is D

<h3 /><h3>What is a right angle triangle?</h3>

A right-angled triangle is a polygon of three sides having one angle as 90 degrees(right angle).

Part A

To calculate the height of the pole in the right angle triangle, we use the formula below.

Formula:

  • tan∅ = opposite/adjacent

From the diagram,

Given:

  • ∅ = 41°
  • Opposite = Height of the pole = P
  • Adjacent = 34 ft

Substitute these values into equation 1 and solve for P

  • tan41° = P/34
  • P = 34×tan41°
  • P = 29.55
  • P ≈ 30 ft

Part B

Similarly, fine the length of wire 1, we use the formula below.

Formula:

  • cos∅ = Adjacent/Hypotenus.......... Equation 2

From the diagram,

Given:

  • Hypotenus = Wire 1 = x
  • ∅  = 41°
  • Adjacent = 34 ft

Substitute these values into equation 2 and solve for x

  • cos41° = 34/x
  • x = 34/cos41°
  • x = 45.05
  • x ≈ 45 ft

Hence, the height of the pole is 30 ft and the lenght of wire 1 is 45 ft.

Learn more about right angle triangle here: brainly.com/question/64787

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5 0
1 year ago
Please help I don't know how to do this ​
Mars2501 [29]

Answer:

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Step-by-step explanation:

<u>Given AP with:</u>

  • a₁= 28, aₙ = 79, Sₙ = 963

<u>Use the formula:</u>

  • Sₙ = 1/2n(a₁ + aₙ), sum of the first n terms

<u>Substitute given values and solve for n:</u>

  • 963 = 1/2n(28 + 79)
  • 963 = 1/2n(107)
  • 1/2n = 963/107
  • 1/2n = 9
  • n = 9*2
  • n = 18

5 0
3 years ago
Evaluate the limit using the appropriate Limit Law(s). (If an answer does not exist, enter DNE.) lim t → −2 t4 − 3 2t2 − 3t + 3
Bas_tet [7]
Replace t with -2 and solve for a number. It should work since it's not a fraction.

6 0
3 years ago
The last one is 0,0<br> c(m)= 160m + 80 <br> my life depends on this
Sliva [168]

Answer:

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Step-by-step explanation:

80

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