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Alex777 [14]
3 years ago
5

How do I simplify (-3)(7)+(-5)(-2)

Mathematics
2 answers:
Delvig [45]3 years ago
6 0

Answer:

-21+10 or simpilest form -11

Step-by-step explanation:

1. -3x7+ -5x-2

2. -21+10

3. -11

ss7ja [257]3 years ago
3 0
-11

Step by step explanation:

(-3)(7) + (-5)(-2) step 1: multiply -3 by 7

-21 + (-5)(-2) step 2: multiply -5 by -2

-21 + 10 step 3: add 10 to -21

-11
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Erin buys a bag of peanuts away is 3/4 of a pound later that week the bag is 2/3 full how much does the bag of peanuts weigh now
vladimir2022 [97]

So he started with 3/4 lb and ended up with 2/3 of that so 2/3 of 3/4 'of' can be roughly translated as multiply so 2/3 times 3/4 =6/12=1/2 lb left or you know that there are 3 out of 4 parts pound left so 2 out of 3 parts of nuts is = 2/4 or 1/2 lb

5 0
3 years ago
The picture shows a circular clock face.
marysya [2.9K]

Answer:

[C] 25π square inches

Step-by-step explanation:

<u><em>Given that:</em></u>

<em>the long hand of the clock is about 5 inches long.</em>

<u><em>To Find:</em></u>

<em>What is the approximate area of the clock face?</em>

<u><em>Solve:</em></u>

<em>Formula - </em><em>A =πr²</em>

<em>Note that;</em>

<em>π = 3.14 (about)</em>

<em>Radius - 5 inches</em>

<em>A =πr²</em>

<em>A = 3.14(5)²</em>

<em>A = 3.14(25)</em>

<em>A = 78.5</em>

<em>Now let see the answer choices:</em>

<em>A.  5π square inches                     ≈   5(3.14) = 15.7</em>

<em>B. 10 π square inches                    ≈  10(3.14) = 31.4</em>

<em>C. 25 π square inches                    ≈  25(3.14) = 78.5</em>

<em>D. 100 π square inches                    ≈ 100(3.14) = 314</em>

<em />

<em>Hence, the answer is [C] 25 π square inches </em>

<em />

<u><em>Kavinsky~</em></u>

6 0
2 years ago
Read 2 more answers
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Dennis_Churaev [7]
How long would it take $120/hr to add up to $1000?

Divide $1000 by $120/hr:  

 $1000
----------- = 8 1/3 hours, or 8 hours 20 minutes.
$120/hr
8 0
3 years ago
Show all work to identify the asymptotes and zero of the function f of x equals 5 x over quantity x squared minus 25.
Lorico [155]

Answer:

  • asymptotes: x = -5, x = 5
  • zero: x = 0

Step-by-step explanation:

The function of interest is ...

  f(x)=\dfrac{5x}{x^2-25}=\dfrac{5x}{(x-5)(x+5)}

The asymptotes are found where the denominator is zero. It will be zero when either factor is zero, so at x = 5 and x = -5

__

The zeros are found where the numerator is zero. It will be zero for x = 0.

The asymptotes are x=-5, x=5; the zero is x=0.

4 0
3 years ago
Given the equations 9x+3/4y=6 and 2x+1/2y=9, by what factor the equation to eliminate y and solve the system through linea would
lions [1.4K]
C -3/2  

Just multiply the second equation by -3/2
this will make the y term = -3/4y 

so adding will eliminate the  y terms.
8 0
3 years ago
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