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2 years ago

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Mathematics

1 answer:

Alisiya [41]2 years ago

7 0

Answer:

125.4

Step-by-step explanation:

Given

$Number = 125.3546$

Required

Round to 1 decimal place

Up till the first decimal place, the number is:

$Number = 125.3$

The digit after .3 is 5

The conditions for approximation are:

If n > 4, approximate to 1

Else: approximate to 0

In this case: 5 > 4, so we approximate to 1

Add this "1" to the last digit of 125.3. This becomes 125.4

Hence: when the number is approximated to 1 decimal place, the digit is 125.4

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AB and AC are tangent. Find AB

LuckyWell [14K]

Answer:

$AB = \frac{11}{2}$

Step-by-step explanation:

Given

The above diagram

$AB = 3y + 4$

$AC = 11y$

Required

Determine length AB

Tangents drawn from the same point of a circle are equal;

This implies that

$AB = AC$

Substitute values for AB and AC

$3y + 4 =11y$

Subtract 3y from both sides

$3y - 3y + 4 = 11y - 3y$

$4 = 8y$

Divide both sides by 8

$\frac{4}{8} = \frac{8y}{8}$

$\frac{4}{8} = y$

$\frac{1}{2} = y$

Substitute $\frac{1}{2}$ for y in $AB = 3y + 4$

$AB = 3 * \frac{1}{2} + 4$

$AB = \frac{3}{2} + 4$

$AB = \frac{3 + 8}{2}$

$AB = \frac{11}{2}$

8 0

3 years ago

A parallelogram is transformed according to the rule (x, y) → (x, y). Which is another way to state the transformation?

KATRIN_1 [288]

Answer:

d) 360

Step-by-step explanation:

8 0

3 years ago

The expression -7y is a a. term b. variable c. constant

Jet001 [13]

Answer:

the answer is a) term

Step-by-step explanation:

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8 0

2 years ago

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9 × [(21 − 4) − 9 what is the answer when you find out pls let me know!!!

lyudmila [28]

Answer:

72 is the answer

21-4 IS 17, AND 17 - 9 IS 8, THEN 9X8 IS 72.

3 0

2 years ago

If you multiply a number by 3 and divide by 4 the result is 24. what is the number?

solong [7]

To solve this problem, we are going to set up an equation. Let the number that we are trying to find be represented by the variable x. If we plug in the numbers that we know, we get the following equation:

3x/4 = 24

To simplify this equation, we need to multiply both sides by 4, to begin getting the x alone on the left side of the equation.

3x = 96

Finally, we need to divide both sides by 3, to get rid of the coefficient that is being multiplied to x.

x = 32

Therefore, the number that you are trying to find is 32.

4 0

3 years ago

Read 2 more answers