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AleksandrR [38]
3 years ago
5

At the beginning of spring, Arun planted a small sunflower in his backyard. When it

Mathematics
1 answer:
barxatty [35]3 years ago
8 0

Answer:

height After 3 weeks: 19.5

Step-by-step explanation:

I dont know answer to second

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a caterpillar stated at point(-2.5 -5.5) on a coordinate plane.She crawled in a straight line through the origin to point (45,y)
iren [92.7K]

Answer:

99

Step-by-step explanation:

Since the caterpillar crawled through the origin, her movement can be described by a straight line equation modeled with the points (-2.5; -5.5) and (0; 0).

The slope of a linear equation is given by:

m=\frac{y-y_0}{x-x_0}\\m=\frac{-5.5-0}{-2.5-0}\\m=2.2

For x = 45, the value of y is:

y= 2.2x\\y= 2.2*45\\y=99

The value of the y-axis is 99.

3 0
3 years ago
Find the perimeter of an isosceles triangle ABC. Side AB=4, and the base BC=3. Angles B & C are both 70 degrees.
MA_775_DIABLO [31]

Answer:

11 units

Step-by-step explanation:

Since <em>∆ABC is isosceles, it means that at least two sides are congruent/equal in length</em>.

<em>Sides CA and AB are congruent</em>, since BC is the base. So, <em>CA = 4</em>.

That means the perimeter is <em>4 + 4 + 3 </em>= 11 un

5 0
3 years ago
How do you collect and distribute. -c+5c-3a(a+3a)
jasenka [17]
First, add in the parentheses. a+3a=4a. Then, make subtraction into adding negatives. (-c)+5c +(-3a)+4a. It becomes 4c+a.
5 0
3 years ago
Is the amount 0.31 more less or equal to half.
Fudgin [204]
If you mean half as in 1/2, then yes, 0.31 is less than half because 1/2 as a decimal is 0.50. 

Make me brainliest answer if this helped you!
8 0
3 years ago
Which algebraic expression represents the phrase "four times a number"?
Delvig [45]

Answer:

O 40

Step-by-step explanation:

because if you are doing algebra the term for a number is a letter and instead of doing 4xO you substituted to 4O

7 0
2 years ago
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