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kompoz [17]
2 years ago
13

The fuel efficiency (in miles per gallon) of an SUV depends on its weight according to the formula†

Mathematics
1 answer:
skelet666 [1.2K]2 years ago
4 0
Diyziydoyxoydoydtisirxuuttfxoydiyxim not sure on what ur asking
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Mary Sue and Betty have 603 necklaces altogether. Mary Sue has 115 more necklaces than Betty. How many necklaces does Betty have
Blizzard [7]

Let Mary Sue have m necklaces and Betty have b necklaces.

And they have 603 necklaces altogether, that is

m + b =603

And Mary Sue has 115 more necklaces than Betty, that is

m=b +115

Substituting this value in first equation we will get

b+115+b=603

Subtracting 115

2b= 488

b= 244

So Betty have 244 necklaces .

6 0
3 years ago
Divide.<br> Write your answer in simplest form.<br> -6/7 divided by (-5/4) =?
yulyashka [42]

Answer:

\sf \dfrac{24}{35}

Step-by-step explanation:

Use KCF method for fraction division.

  • Keep the first fraction.
  • Change the division operation to multiplication.
  • Flip the second fraction.

\sf \dfrac{-6}{7} \div \dfrac{-5}{4}=\dfrac{-6}{7}*\dfrac{-4}{5}

               \sf =\dfrac{(-6)*(-4)}{7*5}\\\\=\dfrac{24}{35}

8 0
1 year ago
Read 2 more answers
23) m 2 = 7x + 6<br>70°​
lakkis [162]

Answer:

∠2 = 55°

Step-by-step explanation:

Given that the triangle has 2 congruent sides then the triangle is isosceles.

Thus the 2 base angle are congruent, both equal to ∠2

The sum of the 3 angles in a triangle = 180

7x + 6 + 7x + 6 + 70 = 180, that is

14x + 82 = 180 ( subtract 82 from both sides )

14x = 98 ( divide both sides by 14 )

x = 7

Hence

∠2 = 7x + 6 = (7 × 7) + 6 = 49 + 6 = 55°

3 0
3 years ago
Please help im so lost Ty btw
klasskru [66]

Answer:

1) gradient  (00) (-2 4) = y2-y1 / 2-1 = 4/-2 = -2  m = -2/1  means = m = -2  (negative slope)   2)  gradient  y2-y1 / x2-x1 = 3-0 / 2-0  = 3/2 = (1 1/2)/1   m = 1 1/2  (positive slope) we use the formula y-values divided by the change in the x-values.    The equation of the gradient each goes like this 1) y = -2x   as y is at origin nothing else to add     The equation of the gradient each goes like this 2) y = 1  1/2x     The equation of the point formula  1) we take the y -y1 = m (x +x 1)  =  y-0 = -2x (x +0)  (as m = -2) y = -2(x +0)   and  The equation of the point formula  2)  y - 0 = m ( x +x1)     y - 0 = 1 1/2( x +0)  = y = 1 1/2( x +0)

5 0
2 years ago
Complete th addition sentences showing two ways to the sum. 5+4+2=
Darya [45]
5+4+2=11 or go like this 20-17=3×3=9+2
8 0
3 years ago
Read 2 more answers
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