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USPshnik [31]
3 years ago
14

Doen's short is 4 times larger than helen's but costs half as much. Deon's shirt costs $9.35.How much is helen's short?

Mathematics
1 answer:
ira [324]3 years ago
4 0

Answer:

4.68

Step-by-step explanation:

D=4h large, 1/2h cost

D= 1/2*9.35=cost

D= 1/2*9.35=4.68

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Find the value of x. Round to<br> the nearest tenth.
denpristay [2]

Answer:

\displaystyle x \approx 38.2 ^{\circ}

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Pre-Calculus</u>

Law of Sines: \displaystyle \frac{sin(A)}{a} =\frac{sin(B)}{b} =\frac{sin(C)}{c}

  • A, B, C are angle measures
  • a, b, c are leg lengths

Step-by-step explanation:

<u>Step 1: Identify</u>

A = 27°, a = 11

B = x°, b = 15

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Substitute [LOS]:                     \displaystyle \frac{sin(27^{\circ})}{11} =\frac{sin(x^{\circ})}{15}
  2. Cross-multiply:                        \displaystyle 11sin(x^{\circ}) = 15sin(27^{\circ})
  3. Isolate <em>x</em> term:                         \displaystyle sin(x^{\circ}) = \frac{15sin(27^{\circ})}{11}
  4. Isolate <em>x</em>:                                  \displaystyle x = sin^{-1}(\frac{15sin(27)}{11})
  5. Evaluate:                                 \displaystyle x = 38.2488 ^{\circ}
  6. Round:                                    \displaystyle x \approx 38.2 ^{\circ}
7 0
3 years ago
20 point question!!! Please help me! Number 4.
spin [16.1K]
5x + 9x + 26 = 180
14x = 180 - 26
14x = 154
   x = 154 / 14
   x = 11

answer
B. 11
8 0
3 years ago
Read 2 more answers
Help me find the answer please
elena-s [515]

Answer:

60

Step-by-step explanation:

m∠1=(55+65)/2=60

5 0
3 years ago
The position of an object at time t is given by s(t) = -9 - 3t. Find the instantaneous velocity (by using the limit) at t = 8 by
Ede4ka [16]

Answer: v=-3

Step-by-step explanation:

Given

The position of a particle is s(t)=-9-3t

Velocity is given by the derivative of position with respect to time

\Rightarrow v=\dfrac{ds}{dt}\\\Rightarrow v=-3

So, velocity is constant at any point in time.

At t=8, it is v=-3

5 0
3 years ago
What will be the length of third side of a right angled triangle whose hypotenuse is 13cm and
Anna71 [15]

Answer:

12

Step-by-step explanation:

Pythagorean theorem:

a^2 + b ^2 = c ^2

side^2 + side^2 = hypotenuse^2

5^2 + x^2 = 13^2

25 + x ^2 = 169

subtract 25

x^2 = 144

√ each side

x= √144 = 12

5 0
4 years ago
Read 2 more answers
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