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2 years ago

15

rammy has saved $26 for a new bicycle helmet that costs $47. let n represent the money he still needs to save. write an addition

equation using n that would allow rammy to find the amount of money that he still needs to save.

2 answers:

Grace [21]2 years ago

6 0

26+n=47 subtract 26 from both sides

n=21

ahrayia [7]2 years ago

5 0

N+26=47 or 47-26=n. Whichever you prefer

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Please help logarithms!

nlexa [21]

Given:

$\log_34\approx 1.262$

$\log_37\approx 1.771$

To find:

The value of $\log_3\left(\dfrac{4}{49}\right)$ .

Solution:

We have,

$\log_34\approx 1.262$

$\log_37\approx 1.771$

Using properties of log, we get

$\log_3\left(\dfrac{4}{49}\right)=\log_34-\log_349$ $\left[\because \log_a\dfrac{m}{n}=\log_am-\log_an\right]$

$\log_3\left(\dfrac{4}{49}\right)=\log_34-\log_37^2$

$\log_3\left(\dfrac{4}{49}\right)=\log_34-2\log_37$ $[\log x^n=n\log x]$

Substitute $\log_34\approx 1.262$ and $\log_37\approx 1.771$ .

$\log_3\left(\dfrac{4}{49}\right)=1.262-2(1.771)$

$\log_3\left(\dfrac{4}{49}\right)=1.262-3.542$

$\log_3\left(\dfrac{4}{49}\right)=-2.28$

Therefore, the value of $\log_3\left(\dfrac{4}{49}\right)$ is $-2.28$ .

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2 years ago

Bryan initially filled a measuring cup with 3/10 of a cup of syrup from a large jug. Then he poured 1/10 of a cup back into the

wariber [46]

2/10. 3-1/10 = 2/10.

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2 years ago

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Natasha2012 [34]

Answer:

$4fg^{2}$

Step-by-step explanation:

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$fg^{2} *4$

2) Regroup terms.

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17 x-1=2<br> Work out the value of 2x2

Igoryamba

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Step-by-step explanation:

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Then

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Veseljchak [2.6K]

Vertical angles are congruent whether the lines are parallel or not.
Corresponding angles are congruent.
Alternate interior and alternate exterior angles are congruent.
1 & 4, 2 & 3, 3 & 6, 4 & 5, 1 & 8, 2 & 7, 5 & 8, 6 & 7, 3 & 7, 1 & 5, 2 & 6, 4 & 8
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2 years ago

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