All categories

2 years ago

Please help, I’ll mark your answer as brainliest.

Mathematics

1 answer:

valentina_108 [34]2 years ago

4 0

Answer:

x = - $\frac{13}{2}$ - $\sqrt{157}$ / 2 or

x= - 13/2 + $\sqrt{157}$ / 2

Step-by-step explanation:

1- Substitute and calculate

if you don't want to give me brainlist its okay I don't mind I just like helping people with their problems

You might be interested in

Write the equation for g(x)

Natasha_Volkova [10]

Answer:

Step-by-step explanation:

g(x) = (x+4)² - 5

8 0

3 years ago

Please Help this is Due in 1 hour and I really dont understand any of this. (Question in Image)

KATRIN_1 [288]

Answer:

Step-by-step explanation:

4 0

2 years ago

Crawling Crayfish!

boyakko [2]

Answer: Crayfish, 25 s

Step-by-step explanation:

Given

The length of race is 60 cm

Flicker gets a 10 cm head-start

Cray fish covers 6 cm in 5 s i.e. its speed is

$\Rightarrow \dfrac{6}{5}=1.2\ cm/s$

Flicker covers 4 cm in 5 s, its speed is

$\Rightarrow \dfrac{4}{5}=0.8\ cm/s$

Time taken by Cray fish to cover the race is

$\Rightarrow t_1=\dfrac{60}{1.2}\\\\\Rightarrow t_1=50\ s$

Time taken by flicker to cover race with 10 cm head start

$\Rightarrow t_2=\dfrac{60-10}{0.8}\\\\\Rightarrow t_2=62.5\ s$

Time taken by crayfish is less. Hence, crayfish wins the race

When they both covers the same distance, they tied momentarily i.e.

$\Rightarrow 1.2t=10+0.8t\\\Rightarrow 0.4t=10\\\\\Rightarrow t=\dfrac{10}{0.4}\\\\\Rightarrow t=25\ s$

After 25 s, they tied the race.

5 0

3 years ago

Help please it’s very important that I finish today

Andrew [12]

Answer:

A. Domain=an area of territory owned or controlled by a ruler or government.

B. Range=the area of variation between upper and lower limits on a particular scale.

C. Relation=the way in which two or more concepts, objects, or people are connected; a thing's effect on or relevance to another.

D. Function=an activity or purpose natural to or intended for a person or thing.

never mind sorry didn't know this was math just delete the answer

5 0

3 years ago

orge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. The original

Sunny_sXe [5.5K]

800 px - 600 px
1,260 px - x px

$x=\dfrac{1,260\cdot600}{800}=945
$

7 0

3 years ago