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Alina [70]
3 years ago
13

HELP ASAP

Mathematics
1 answer:
Setler79 [48]3 years ago
3 0

Answer:

12

Step-by-step explanation:

Please mark me brainlist

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Renee is simplifying the expression (7) (StartFraction 13 over 29 EndFraction) (StartFraction 1 over 7 EndFraction). She recogni
dsp73

Answer:

The correct option is commutative property.

Step-by-step explanation:

The expression that Renee is simplifying is:

(7)\cdot(\frac{13}{29})\cdot(\frac{1}{7})

It is provided that, Renee recognizes that 7 and \frac{1}{7} are reciprocals, so she would like to find their product before she multiplies by \frac{13}{29}.

The associative property of multiplication states that:

a\times b\times c=(a\times b)\times c=a\times (b\times c)

The commutative property of multiplication states that:

a\times b\times c=a\times c\times b=c\times a\times b

The distributive property of multiplication states that:

a\cdot (b+c)=a\cdot b+a\cdot c

The identity property of multiplication states that:

a\times 1=a\\b\times 1=b

So, Renee should use the commutative property of multiplication to find the product of 7 and \frac{1}{7},

(7)\cdot(\frac{13}{29})\cdot(\frac{1}{7})=(7\times\frac{1}{7})\times\frac{13}{29}=\frac{13}{29}

Thus, the correct option is commutative property.

5 0
3 years ago
Read 2 more answers
An airplane begins a descent to a sea-level airport at an angle of -4° to the horizon. What is the change in elevation after it
mote1985 [20]

Using the slope concept, it is found that the change in elevation was of -699 feet.

<h3>What is a slope?</h3>

The slope is given by the <u>vertical change divided by the horizontal change</u>, and it's also the tangent of the angle of depression.

In this problem, we have that:

  • The vertical change is of h.
  • The horizontal change is of 10,000 feet.
  • The angle is of -4º.

Hence:

tan(-4º) = h/10000

h = 10000 x tan(-4º)

h = -699.

More can be learned about the slope concept at brainly.com/question/18090623

#SPJ1

7 0
2 years ago
Rodger has two golden retrievers, Sadie and Buddy. Buddy weighs 14 pounds more than Sadie. If their total weight is 136 pounds,
12345 [234]
Buddy the dog weighs 75 and sadie the dog weighs 61.
4 0
3 years ago
HELP IM BEING TIMED.
Nikitich [7]

Answer:

1. 875 2.10

Step-by-step explanation:

6 0
3 years ago
Can someone help me with this math homework please!
marin [14]

Answer:

\mathfrak {last \:option }

\mathfrak\blue{ {option \: 2} }

Step-by-step explanation:

x intercept of a function is the point where it's graph intersects the x axis.

or

simply that value x, where the value of y is 0.

since at x = 2; f(x) =0 that point <u>(2, 0)</u> is the x intercept of the function.

5 0
3 years ago
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