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butalik [34]
4 years ago
6

(3 3/4)÷(−2 1/2) IM IN A TIME CRUNCH PLEZZZ HALPPPP

Mathematics
2 answers:
Lorico [155]4 years ago
6 0
For this question the answer is -3/2
OLga [1]4 years ago
4 0

Answer:

-1.5

Step-by-step explanation:

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Evaluate the function requested. Write your answer as a fraction in lowest terms. Find Tan A
Ierofanga [76]
Answer: 5 / 12

Reasoning:

1) The definition of tangent ratio is:

tan(x) = opposite-leg / adjacent-leg

2) From the figure

angle = A

opposite-leg = 20

adjacent-leg = 48

3) Using the formula:

cos(A) = 20 / 48 = 5 / 12

Answer: 5 / 12
5 0
4 years ago
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What is the percentage area between a z-score of .43 and a z-score of 1.33?
vaieri [72.5K]

A suitable probability calculator can tell you that is about 24.2%.

7 0
3 years ago
Plz help me with this math and also explain
jasenka [17]

Step-by-step explanation:

<h2>[1]</h2>

  • SI = $250
  • Rate (R) = 12\sf \dfrac{1}{2} %
  • Time (t) = 4 years

\longrightarrow \tt { SI = \dfrac{PRT}{100} } \\

\longrightarrow \tt { 250 = \dfrac{P \times 12\cfrac{1}{2} \times 4}{100} } \\

\longrightarrow \tt { 250 = \dfrac{P \times \cfrac{25}{2} \times 4}{100} } \\

\longrightarrow \tt { 250 = \dfrac{P \times 25 \times 2}{100} } \\

\longrightarrow \tt { 250 = \dfrac{P \times 50}{100} } \\

\longrightarrow \tt { 250 \times 100 = P \times 50} \\

\longrightarrow \tt { 25000 = P \times 50} \\

\longrightarrow \tt { \dfrac{25000}{50} = P } \\

\longrightarrow \underline{\boxed{ \green{ \tt { \$ \; 500 = P }}}} \\

Therefore principal is $500.

<h2>__________________</h2>

<h2>[2]</h2>

  • 2/7 of the balls are red.
  • 3/5 of the balls are blue.
  • Rest are yellow.
  • Number of yellow balls = 36

Let the total number of balls be x.

→ Red balls + Blue balls + Yellow balls = Total number of balls

\longrightarrow \tt{ \dfrac{2}{7}x + \dfrac{3}{5}x + 36 = x} \\

\longrightarrow \tt{ \dfrac{10x + 21x + 1260}{35} = x} \\

\longrightarrow \tt{ \dfrac{31x + 1260}{35} = x} \\

\longrightarrow \tt{ 31x + 1260= 35x} \\

\longrightarrow \tt{ 1260= 35x-31x} \\

\longrightarrow \tt{ 1260= 4x} \\

\longrightarrow \tt{ \dfrac{1260 }{4}= x} \\

\longrightarrow \underline{\boxed{  \tt { 315 = x }}} \\

Total number of balls is 315.

A/Q,

3/5 of the balls are blue.

\longrightarrow \tt{ Balls_{(Blue)} =\dfrac{3 }{5}x} \\

\longrightarrow \tt{ Balls_{(Blue)} =\dfrac{3 }{5}(315)} \\

\longrightarrow \tt{ Balls_{(Blue)} = 3(63)} \\

\longrightarrow \underline{\boxed{ \green {\tt { Balls_{(Blue)} = 189 }}}} \\

8 0
4 years ago
Please Help!!!
vaieri [72.5K]

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Complete each ordered pair so that it is a solution of the given linear equation. x-2y=1 The first ordered pair is (__,3).
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X-2*3=1
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