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liraira [26]
2 years ago
15

Find f(4). f(x) = x2 + 2x - 3 A) 5 B) 11 13 D) 21 Elimina

Mathematics
1 answer:
grandymaker [24]2 years ago
3 0

Answer:D

Step-by-step explanation:

you plug 4 in for x

f(4)=4^2+2(4)-3

=16+8-3

=24-3

=21

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(2x+5)+3(x-6)=90 what is x
snow_lady [41]
I don’t know if I’m 100% correct but I got

Exact form x= 103/5
Decimal form x=20.6
8 0
3 years ago
Help answer the question in the picture please.
Contact [7]

Answer:

Congruent and isometries.

Step-by-step explanation:

Congruent meaning the shape is still the same size and shape

(which is true because translations and rotations don't change size or shape)

And isometries because it is one way of mapping points to  a different location.

5 0
3 years ago
Use the drop-down menus to complete the statements. Fossils on continents that are now separated by support the theory of contin
damaskus [11]

oceans, tropical plants, Europe

Step-by-step explanation:

Fossils on continents that are now separated by oceans support the theory of continental drift. Continents closer to the equator have warmer climates, yet fossils of tropical plants have been found on islands near the North Pole. This supports the idea that islands drifted from the equator. Coal fields in Europe match those found in North America, supporting the theory of continental drift.

The theory of continental drift was proposed by Alfred Wegener in the early part of 20th century. He suggested that the continents have once been joined together as a single landmass but have drifted to their current positions today.

  • Fresh water fossils of organisms like Mesosaurus was found in parts of South America and Southern Africa. These organisms could not have swim between the oceans since they are localized to freshwater environments.
  • Tropical plants have also been found in regions of the north pole.
  • Coal fields in north America correlated with those in South America and this provided support to the theory of continental drift by Wegener.
  • He also fitted the the world into a giant puzzle to support his claim.

Learn more:

Wegener brainly.com/question/5002949

#learnwithBrainly

8 0
3 years ago
Read 2 more answers
Which best describes the required locus? all points in a plane equidistant from two given points in the plane.
zavuch27 [327]

Answer:

C.

Step-by-step explanation:

The line that is a perpendicular bisector of the segment connecting the two points.

6 0
2 years ago
Read 2 more answers
If d=9cm, find the circumference
sergij07 [2.7K]

The circumference is the diameter times PI

The exact circumference would be 9PI cm

The approximate circumference would be 9 x 3.14 = 28.26 cm

4 0
3 years ago
Read 2 more answers
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