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3 years ago

DA is tangent to the circle at A and DC is tangent to the circle at C. Find m

Mathematics

2 answers:

vesna_86 [32]3 years ago

6 0

Answer:

its A im pretty sure

Step-by-step explanation:

Tatiana [17]3 years ago

4 0

Answer:

Step-by-step explanation:

m angle b equals 77 now we have to find the arc of andle b.

so use the equation arc AC = 2(77)

arcAC = 154

360 - 154

=206

206/2

= 103

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Ivan has 6 times as many blue beads as red beads. he has 49 red and blue beads in all. how many blue beads does Ivan have

salantis [7]

Let

x--------> the number of blue beads

y--------> the number of red beads

we know that

$x+y=49$

$x=49-y$ -------> equation $1$

$x=6y$ ------> equation $2$

equate equation $1$ and equation $2$

$49-y=6y\\ 6y+y=49\\ 7y=49\\\\ y=\frac{49}{7} \\ \\ y=7$

find the value of x

$x=6*7\\ x=42$

therefore

the answer is

Ivan has $42$ $blue beads$

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3 years ago

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Joe is making a recipe that calls for 3/4 tsp of cinnamon. His only measuring spoon holds 1/8 teaspoon. How many times will he n

SashulF [63]

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3 years ago

How many solutions does the equation below have?

Elina [12.6K]

Answer:

1.one solution is the answer

Step-by-step explanation:

3 0

3 years ago

If 25 Y - 80 is equal to minus 50 then the value of Y is

Murrr4er [49]

Answer:

Answer:25y=-50+80

25y=30

y=30/25

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Step-by-step explanation:

Step-by-step explanation:

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3 years ago

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Write the expression 44(4–7)(4) using a single exponent.

Ghella [55]

<h3>The given expression as single exponent is:</h3>

$4^4 \times 4^{-7} \times 4 = 4^{-2}$

<em><u>Solution:</u></em>

<em><u>Given expression is:</u></em>

$4^4 \times 4^{-7} \times 4$

In exponents,

When the base is same, exponents can be added

Which means,

$a^m \times a^n = a^{m+n}$

Therefore,

$4^4 \times 4^{-7} \times 4 = 4^{4-7+1}\\\\Simplify\\\\4^4 \times 4^{-7} \times 4 = 4^{-3+1} \\\\4^4 \times 4^{-7} \times 4 = 4^{-2}$

Thus the given expression as single exponent is:

$4^4 \times 4^{-7} \times 4 = 4^{-2}$

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3 years ago

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