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3 years ago

1) Sarah orders bracelets from a catalog. The bracelets cost $4 each and the shipping charge is $3. If Sarah

Mathematics

2 answers:

____ [38]3 years ago

7 0

Answer:

If the shipping is included with the 4 dollars then it would be that she can buy 5 bracelets, but if it was 4$ + 3$ then she can only buy 2

Step-by-step explanation:

Fittoniya [83]3 years ago

3 0

She can only buy two since the bracelet and shipping is $7 together so you can buy two $14

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340 equals 72 more than y<br> Write the sentence as an equation.

marissa [1.9K]

Answer:

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Step-by-step explanation:

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3 years ago

The average grain of salt is 0.0003 meters wide. Rhinovirus, which causes the common cold, is 0.00000003 meters wide. How many t

algol [13]

Answer:

$1\times 10^4\ times$

Step-by-step explanation:

Given:

Width of average grain of salt is, $w=0.0003\ m$

Width of Rhinovirus is, $W=0.00000003\ m$

Now, expressing each width in scientific notation form, we get:

$w=0.0003\ m = 3\times 10^{-4}\ m\\\\W=0.00000003\ m = 3\times 10^{-8}\ m$

Now, in order to get how many times 'W' is wider than 'w', we divide the two widths. This gives,

$\frac{W}{w}=\frac{3\times 10^{-4}\ m}{3\times 10^{-8}\ m}\\\\\frac{W}{w}=1\times 10^{-4-(-8)}=1\times 10^{-4+8}=1\times 10^4\\\\\therefore W=1\times 10^4\times w$

Therefore, the grain of salt is $1\times 10^4\ times$ wider than Rhinovirus.

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3 years ago

What must be true about the sides and angles of congruent triangles?

Usimov [2.4K]

Answer:

When two triangles are congruent they will have exactly the same three sides and exactly the same three angles. The equal sides and angles may not be in the same position (if there is a turn or a flip), but they are there.

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3 years ago

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marusya05 [52]

Answer:

the answer is associative property of addition

Step-by-step explanation:

the things is no matter how you switch out the numbers you will have the same income.

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