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Mademuasel [1]
2 years ago
7

Find the measure of the indicated arc

Mathematics
1 answer:
dimaraw [331]2 years ago
5 0

Answer:

arc of WXY= 224°

Step-by-step explanation:

measure of angle C is half of the WXY arc

this means WXY×1/2=C

112°=1/2 WXY (cross production)

WXY=2×112°

WXY=224 °

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F(x) = -x^2+10x-6<br> Find f(-5)
lianna [129]

9514 1404 393

Answer:

  f(-5) = -81

Step-by-step explanation:

Put -5 where x is and do the arithmetic.

  f(-5) = -(-5)^2 +10(-5) -6

  f(-5) = -25 -50 -6

  f(-5) = -81

8 0
2 years ago
The square of a number is 12 less than 7 times the number. What is the number
Elan Coil [88]
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4 0
3 years ago
Someone please help me with this one quick
astraxan [27]

The length of AC is 16 km.

Solution:

Given data:

AB = c = 14 km, ∠A = 30° and ∠B = 89°

AC = b = ?

<u>Let us first find angle C:</u>

<em>Sum of all angles in a triangle = 180°</em>

m∠A+ m∠B + m∠C = 180°

30° + 89° + m∠C = 180°

119° + m∠C = 180°

Subtract 119° from both sides, we get

m∠C = 61°

<u>To find the length of AC:</u>

<em>Using sine formula:</em>

$\frac{b}{\sin B } =\frac{c}{\sin C}

Substitute the given values in the formula.

$\frac{b}{\sin 89^\circ } =\frac{14}{\sin 61^\circ }

Multiply by sin 89° on both sides.

$\sin 89^\circ \times \frac{b}{\sin 89^\circ } =\frac{14}{\sin 61^\circ } \times \sin 89^\circ

$b=\frac{14}{0.8746 } \times0.9998

b=16

The length of AC is 16 km.

4 0
3 years ago
Every cupcake jake bakes weighs 0.45 pounds. How much will a box of 100 cupcakes weigh
Mashutka [201]
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The box of 100 cupcakes will weight 45 pounds. :)
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2 years ago
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Multiplication and division with powers of ten
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The answer to your question is 20 .
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3 years ago
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