3 years ago

Please help.. will mark brainlyiest

Mathematics

1 answer:

irina1246 [14]3 years ago

5 0

Answer:

B. Dog 1's position is Dog 2's position reflected across the x-axis; only the signs of the y-coordinates of Dog 1 and Dog 2 are different.

Step-by-step explanation:

First it is reflected on the x-axis because it is above and below. if its was the y-axis (which it is not) it would be side to side, if that makes sense.

Secondly the x values are the same, they are both -6. So, the y values are the ones that are different.

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<img src="https://tex.z-dn.net/?f=4%28x%20-%201%29%20%7B%7D%5E%7B2%7D%20%20-%209" id="TexFormula1" title="4(x - 1) {}^{2} - 9"

Aloiza [94]

Step-by-step explanation:

(a-b)^2=(a^2-2*a*b+b^2)

4*(x^2-2x+1)-9=4x^2-8x+4-9=4x^2-8x-5

if you have to calculate the Δ

there is it: 4x^2-8x-5=0

Δ=b^2-4*a*c=64-4*4*(-5)=64+80=144

$x_{1,2}=$ -b±Δ/2*a=8±12/8=

$x_{1}$ =8+12/8=20/8|:4=5/2

$x_{2}$ =8-12/8=-4/8|:4=-1/2

4 0

3 years ago

There are 25 students in Ms.Morris's class. She wants to divide the class into 3,4,or 5 equal teams with all students on a team.

krok68 [10]

Ms. Morris can divide the class into 5.
5 times 5 equal 25.

6 0

4 years ago

Read 2 more answers

A. If B is a basis for a subspace H, then each vector in H can be written in only one way as a linear combination of the vectors

liraira [26]

Answer:

Step-by-step explanation:

3 0

3 years ago

Pleseeeeeeeeeeeeeee helllllllppppp fassttttty pleaseeeeeeeee

DENIUS [597]

Answer:

0.10

Step-by-step explanation:

$0.15 = \frac{15}{100} \\ 0.40 = \frac{40}{100} \\ 0.35 = \frac{35}{100} \\$

Since all of them have the denominator as 100,

the total no. of sweets must be 100. So,

No of strawberries= 100-15-40-35

= 10

p(taking a strawberry sweet)= 10/100

= 0.10

8 0

3 years ago

Read 2 more answers

Find the area of the shaded region.

MariettaO [177]

Answer:

Area of shaded region = 134.13 square feet

Step-by-step explanation:

Area of the shaded region = Area of square - Area of circle

$= ( 25 \times 25) - ( \pi 12.5^2)\\= 625 - 490.87\\= 134.13 ft^2$

8 0

3 years ago