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chubhunter [2.5K]

4 years ago

11

?????? What's this one

1 answer:

Soloha48 [4]4 years ago

7 0

The closest distance is C. 12 feet

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Can some one help how to work out this problem<br> x-y=11<br> 2x+y=19<br>solve by substitution

kati45 [8]

$x-y=11 \\
2x+y=19 \\ \\
\hbox{solve the 1st equation for x:} \\
x-y=11 \\
x=11+y \\ \\
\hbox{substitute 11+y for x in the 2nd equation:} \\
2(11+y)+y=19 \\
22+2y+y=19 \\
22+3y=19 \ \ \ |-22 \\
3y=-3 \ \ \ |\div 3 \\
y=-1 \\ \\ x=11+y=11-1=10 \\ \\
(x,y)=(10,-1)$

4 0

4 years ago

The cost of cookies at a bakery varies directly with the number of cookies bought. David spent $6.60 when he bought 4 cookies. C

Ad libitum [116K]

Answer:

t = 1.65(c)

Step-by-step explanation:

For 4 cookies = $6.60

For 1 cookie = $6.60/4 = $1.65

For t cookies = $1.65(c)

Equation:-

t = 1.65(c)

7 0

3 years ago

The equation of the line that passes through points (0, negative 7) and (2, negative 1) is shown below. What value is missing fr

Vilka [71]

Answer:

y= 3x - 7

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Which set of rational numbers is arranged from least to greatest? 1 over 5, −1.4, negative 1 over 2, 3 3, negative 1 over 2, −1.

Mars2501 [29]

Answer:

Option 4 - $-1.4,\ -\frac{1}{2},\ \frac{1}{5},\ 3$

Step-by-step explanation:

To find : Which set of rational numbers is arranged from least to greatest?

Solution :

The set of rational numbers are

$3,\ \frac{1}{5},\ -1.4,\ -\frac{1}{2}$

Writing all number in one form,

$\frac{1}{5}=0.2$

$-\frac{1}{2}=-0.5$

Now, -1.4<-0.5<0.2<3

From least to greatest the set of natural numbers are

$-1.4$

So, $-1.4,\ -\frac{1}{2},\ \frac{1}{5},\ 3$

Therefore, option 4 is correct.

7 0

3 years ago

Read 2 more answers

Help me please I’ll give brainliest

Kryger [21]

Answer:

30 degree

Step-by-step explanation:

acb is 60 equilateral triangle

then dac angle is 120 double of centre angle

triangle dac is isoceles so 2 into angle acd=180-120

then acd =30

3 0

3 years ago