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Lelechka [254]
3 years ago
12

Use doubles to find the sum of 7 + 8 write a number sentence

Mathematics
2 answers:
liberstina [14]3 years ago
4 0
7 plus 7 equals 14. Add one to that and you have 15 which is the answer.
DanielleElmas [232]3 years ago
4 0
*******
********      <<== doubles fact

7+8= 15    (number sentence)

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HELP ASAP PLEASE <br> Find the area of the figure.
WITCHER [35]

Answer:

39.82

Step-by-step explanation:

to find the entire area of the figure, you'll have to split it up into two parts:

   a. triangle

   b. semi-circle

therefore, the formula for the area of a triangle is 1/2(base)(height). in simpler terms, it means to multiply 1/2 by the base and the height. in this case, multiply 1/2 x 5 x 12, which gives you 60/2, which ultimately gives you 30.

to find the area of the semi circle, use the area formula for a circle and divide the area by 2. the formula is: πr^{2}. so, plug in your lengths. this gives you, π(5)^2. divide this by two. you should get an answer of 9.82

finally, add your two areas (30+9.82), which equals 39.82

hope this helps!<3

4 0
2 years ago
5. Which point lies on the line: y - 4 = -3(x + 2)?
Karo-lina-s [1.5K]

Answer:

(- 2, 4 )

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

y - 4 = - 3(x + 2) ← is in point- slope form

with (a, b ) = (- 2, 4 )

7 0
3 years ago
Please help . I’ll mark you as brainliest if correct!
geniusboy [140]

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5 0
3 years ago
Is w = 9 a solution to the equation 14 - w = 23?
Len [333]

Answer:

No

Step-by-step explanation:

14 - 9 = 3

3 < 23

6 0
3 years ago
Read 2 more answers
Whats the slope and the equation
vichka [17]
You can find the slope of a line by having two points. In this case we have 5 different point so we pick two.

so for the first one I will pick (2,17) and (7,37)

we use (y2-y1) / (x2-x1)  this is rise over run

plug and chug to get slope.
(37-17)/(7-2)= 4 

now use point slope using one of the point that we used to find the slope
y−b=m(x−a<span>) or y-y1 = m (x-x1)

plug and chug again
m=4 ............ point (2,17)

y- 17 = 4 (x- 2)
y= 4x +10 

hope this helps
</span> 
4 0
2 years ago
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